The DC=E2H marking identifies the Richtek RT9193-18GB, a 300mA low dropout (LDO) linear regulator featuring a fixed 1.8V output and ultra-low noise, designed for battery-powered and RF applications. Housed in an SOT-23-5 package, this component features a 2.5V to 5.5V input range, fast 50µs start-up time, and integrated thermal/current protection. For the full datasheet, visit Richtek Technology 300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
Typical Application Circuit. RT9193- Package Type. U5 : SC-70-5. B : SOT-23-5. J5 : TSOT-23-5. QW : WDFN-6L 2x2 (W-Type) F : MSOP- Richtek Technology
The hum of the server room was a steady, low-frequency heartbeat, but for Elias, the lead systems architect, the real pulse was on his screen. He was looking at the DC-E2H datasheet, the blueprint for the facility's next generation of power distribution.
To most, a datasheet is a dry collection of tables. To Elias, it was a manual for survival.
"Efficiency ratings are up," he muttered, tracing the curve on the thermal management graph. The DC-E2H wasn't just a component; it was a high-efficiency power module designed for high-density data centers. He noted the input voltage range—wide enough to handle the slight fluctuations of the local grid—and the peak efficiency of 96%.
That 4% loss mattered. In a room housing ten thousand blades, 4% was the difference between a cool operation and a cooling bill that could bankrupt the quarter.
He scrolled down to the mechanical specifications. The "H" in E2H stood for "Hybrid," a nod to its ability to bridge legacy AC systems with the newer DC architectures they were phased-in to support. The footprint was compact, a standard 1U half-rack width, but the current density was what caught his eye. It packed 800 watts into a space usually reserved for 500.
"Protection protocols?" his junior dev, Sarah, asked over his shoulder.
Elias pointed to the Safety & Compliance section. "Over-voltage, over-current, and short-circuit protection are all hardware-level. But look at the MTBF (Mean Time Between Failures)."
The number was staggering—over 500,000 hours. It was a promise of reliability in a world where a five-minute outage cost millions.
As Elias closed the PDF, he didn't see a document anymore. He saw a stable, humming floor of lights that wouldn't flicker, even when the rest of the city went dark. The datasheet was his contract with the future. AI responses may include mistakes. Learn more
Based on the search for the "DC E2H datasheet", I'm assuming you're referring to a specific electronic component. However, without a direct datasheet link or more context, I'll create a hypothetical feature based on common characteristics of electronic components, particularly those that might be denoted by such a part number.
It could be a misread / partial marking
DC to DC converter with model E2H series (e.g., from Murata, Traco, Mean Well)E2 with date/batch code HIt might be a house number
Check the physical component
DCE2H or DC-E2H, search that exactly.Possible correct part (guess based on real parts)
1N4148 marked differently, but not E2H.The DC E2H datasheet provides detailed specifications and application guidelines for a high-performance DC-DC converter module. Its high efficiency, wide input voltage range, and adjustable output voltage make it an ideal choice for a broad spectrum of power supply applications. For precise details and to ensure compatibility, users should consult the official datasheet of the component or contact the manufacturer.
#electronics #motordriver #datasheet #embedded #robotics
(If you want, I can draft the full social post, a blog-style summary, or include a table comparing the DC E2H to alternatives — tell me which.)
The marking DC=E2H identifies the RT9193-18GB Go to product viewer dialog for this item.
, a high-performance, low dropout (LDO) linear regulator manufactured by Richtek Technology. This specific variant provides a fixed 1.8V output in a compact SOT-23-5 package. Core Specifications As a "deep feature," the Go to product viewer dialog for this item.
(DC=E2H) is designed for ultra-low-noise and high-PSRR (Power Supply Rejection Ratio) applications, making it ideal for RF and audio circuits.
Part Number Identification: The "DC" code typically refers to the product series, while "E2H" or similar suffixes denote the specific voltage and date/batch code.
Output Voltage: Fixed 1.8V (indicated by the -18 in the full part number).
Current Capability: Delivers up to 300mA of continuous output current.
Low Dropout: Features a typical dropout voltage of 220mV at 300mA, allowing it to maintain regulation even as battery levels drop. Package: SOT-23-5 (small-outline transistor with 5 pins). Deep Features & Performance Highlights
Ultra-Fast Response: The internal compensation network allows for microsecond-level settling during step loads (e.g., 100mA spikes), ensuring system stability.
Low Noise & High PSRR: Crucial for sensitive electronics like IoT sensors and portable audio devices to prevent power supply interference from affecting signal quality.
Stability: Guaranteed stable with low-ESR ceramic capacitors, reducing the overall PCB footprint by eliminating the need for bulky tantalum capacitors.
Protection: Includes integrated thermal shutdown and current-limit protection to prevent device failure during fault conditions. Pin Configuration (SOT-23-5) VIN: Input Voltage GND: Ground EN: Enable (High = On, Low = Shutdown) BP: Bypass (Connect a capacitor for noise reduction) VOUT: Regulated 1.8V Output
You can find official technical documentation and purchase options at retailers like AliExpress or through standard electronic component search engines. 8V regulator and other voltage variants in the same family?
The marking DC=E2H typically identifies the RT9193-18GB, a high-performance, 300mA low-dropout (LDO) linear regulator from Richtek. It is commonly used in portable electronics due to its ultra-low noise and high Power Supply Rejection Ratio (PSRR). Key Specifications
The following parameters are standard for the RT9193-18GB variant:
Output Voltage: Fixed at 1.8V (indicated by the "-18" in the part number). Output Current: Up to 300mA. Dropout Voltage: Typically 220mV at full 300mA load. Input Voltage Range: Supports 2.5V to 5.5V. Package Type: SOT-23-5 (5-pin Small Outline Transistor).
Quiescent Current: Low power consumption, typically around 90µA.
Stability: Optimized for use with low-ESR ceramic capacitors (1µF recommended). Key Features
Ultra-Low Noise: Specifically designed for RF and wireless applications where power supply noise must be minimized.
High PSRR: Provides excellent rejection of input ripples (70dB at 1kHz), making it ideal for battery-powered devices.
Safety Protections: Includes internal thermal shutdown for over-temperature protection and current limiting to prevent damage during short circuits or overloads.
Fast Response: Fast transient response to load and line changes. Applications
Due to its small footprint and low noise profile, it is frequently found in: Mobile phones and handheld devices. Wireless LAN and Bluetooth modules. Digital cameras. Battery-powered equipment requiring a stable 1.8V rail.
The search for a "DC E2H datasheet" typically refers to the Ditec E2H control panel or the Renesas RH850/E2H microcontroller. Depending on which "piece" you are looking for, here are the primary technical documents: 1. Ditec E2H Control Panel (Automation)
If you are working with gate or door automation, the Ditec E2H is a control panel for 24V motors.
Purpose: Manages power supply, radio commands, and safety outputs for swinging doors.
Key Specs: Includes a built-in radio and supports dual-motor configurations.
Resources: You can find the installation manual on platforms like Scribd. 2. Renesas RH850/E2H Microcontroller (Automotive/Embedded)
If you are an engineer looking for semiconductor specs, the RH850/E2H is a high-performance automotive MCU.
Purpose: Designed for powertrain and zone control applications with focus on functional safety.
Key Specs: Features strict electrical characteristics for gate oxide protection and ESD safety.
Resources: The Official Renesas User's Manual provides full DC electrical characteristics. Summary Table: Which E2H are you looking for? Category Likely Product Manufacturer Main Application Automation Ditec E2H Control Panel Swinging gate/door motors Electronics RH850/E2H Series Automotive powertrain/ECU Power Converter BCM6123xD1E2662yzz High-density DC/DC conversion
RH850/E2H Electrical Characteristics User's Manual - Renesas
Comprehensive Technical Guide: DC=E2H (RT9193-18GB) Datasheet & Specifications
The SMD top-side marking DC=E2H identifies the highly popular Richtek Technology RT9193-18GB, a high-performance, ultra-low-noise CMOS Low Dropout (LDO) linear voltage regulator. Packaged in a compact SOT-23-5, this integrated circuit delivers a stable 1.8V output at up to 300mA.
It is widely deployed in noise-sensitive, space-constrained environments such as RF modules, handheld medical instruments, cellular devices, and battery-powered IoT hardware. 1. Device Overview & Pinout
The DC=E2H marking breaks down into two segments: DC= is the specific product code for the 1.8V fixed output variant of the RT9193 series, while E2H represents the internal manufacturing batch, assembly location, and date code. SOT-23-5 Pin Configuration The device uses a standard 5-pin surface-mount package. Pin Number Description 1 VIN
Power Supply Input Pin. Requires a minimum input voltage of 2.5V up to 5.5V. 2 GND Ground Reference. 3 EN
Active-High Enable Input. Drives the regulator into shutdown mode when pulled low. 4 BP/NC
Noise Bypass Pin. Connecting a 10nF capacitor reduces overall output noise. 5 VOUT Regulated Fixed 1.8V Output Pin. 2. Key Specifications & Electrical Characteristics
Operating with a wide input voltage range, the RT9193-18GB maintains a stable regulated output even as battery voltage declines over time. Absolute Maximum Ratings Input Supply Voltage ( VINcap V sub cap I cap N end-sub ): -0.3V to 6.0V Enable Input Voltage ( VENcap V sub cap E cap N end-sub ): -0.3V to VINcap V sub cap I cap N end-sub Power Dissipation ( PDcap P sub cap D ): 400mW at Junction Temperature ( TJcap T sub cap J ): -40°C to +125°C Lead Temperature (Soldering, 10s): 260°C Recommended Operating Conditions Input Voltage Range ( VINcap V sub cap I cap N end-sub ): 2.5V to 5.5V Operating Ambient Temperature ( TAcap T sub cap A ): -40°C to +85°C Electrical Characteristics Below are the key operational metrics measured at unless otherwise specified: Conditions Output Voltage VOUTcap V sub cap O cap U cap T end-sub Output Current IOUTcap I sub cap O cap U cap T end-sub Continuous load Dropout Voltage VDROPcap V sub cap D cap R cap O cap P end-sub Quiescent Current IQcap I sub cap Q Shutdown Current ISHDNcap I sub cap S cap H cap D cap N end-sub Line Regulation ΔVLINEcap delta cap V sub cap L cap I cap N cap E end-sub Load Regulation ΔVLOADcap delta cap V sub cap L cap O cap A cap D end-sub Power Supply Rejection PSRR Output Noise eNe sub cap N Thermal Shutdown TSDcap T sub cap S cap D end-sub Junction temperature rising 3. Notable Features & Benefits 1. Ultra-Low Noise Performance
For RF transceivers, Bluetooth modules, and wireless networking hardware, input supply ripples can degrade signal integrity. The addition of a 10nF bypass capacitor connected to Pin 4 drops the output noise floor down to a mere . 2. Low Dropout (LDO) Profile
Featuring a low dropout voltage of 220mV at full 300mA load, this regulator extends the usable battery life of lithium-ion or dual-alkaline powered devices. 3. Comprehensive Circuit Protection The RT9193-18GB includes integrated safety mechanisms:
Current Limiting: Protects the regulator and upstream power supply during output short circuits or overload conditions.
Thermal Shutdown: Deactivates the pass transistor if the silicon junction temperature exceeds 165°C, preventing permanent damage. 4. Direct Ceramic Capacitor Support
Advanced internal phase compensation allows the device to function seamlessly with
low-ESR ceramic capacitors on both the input and output lines. This reduces physical footprint size compared to older regulators requiring bulkier tantalum capacitors. 4. Typical Application Circuit
Designing with the DC=E2H requires minimal external parts. The baseline implementation uses just three capacitors to achieve optimal performance:
Typical Application Schematic VIN ───┬──────────────┬────────────── VOUT (1.8V Regulated) │ │ ┌─┴──────────────┴─┐ │ 1 VIN VOUT 5 │ │ │ Enable ────►│ 3 EN GND 2 │ Signal │ │ │ 4 BP │ └────────┬─────────┘ │ ▼ (GND) Component Guidelines Input Capacitor ( CINcap C sub cap I cap N end-sub ): A
or larger ceramic capacitor is recommended directly adjacent to the input pin to buffer transient voltage drops from long battery leads. Output Capacitor ( COUTcap C sub cap O cap U cap T end-sub ): Place a
ceramic capacitor directly at Pin 5 for control loop stability and fast transient response. Bypass Capacitor ( CBYPcap C sub cap B cap Y cap P end-sub
): A 10nF capacitor placed between Pin 4 and Ground stabilizes the internal reference voltage and filters noise. Радиоремонт
Микросхема RT9193-18GB купить в интернет-магазине
is a high-performance Full HD 1080p60 IP Box Camera from IDIS, designed for professional surveillance environments. Based on its technical specifications, a highly useful feature to develop would be an AI-Driven Edge Occupancy & Queue Monitor Technical Context (Datasheet Highlights)
To build an effective feature, we leverage these specific hardware capabilities: Resolution:
1080p Full HD (1920 x 1080) at 60fps, providing the fluid motion detail needed for accurate tracking.
CS-mount support allows for high-quality wide-angle lenses, ideal for covering large floor areas. Analytics:
Built-in motion detection, tampering, and tripzone capabilities. Communication: Two-way audio and alarm I/O ports for real-time alerts. Proposed Feature: AI-Driven "Smart-Flow" Monitor
This feature transforms the DC-E2H from a passive recording device into an active operational tool for retail or hospitality. 1. Real-Time Occupancy Analytics
Using the camera's high frame rate, the software can implement an Edge-Based Person Counting algorithm. The Logic:
It defines a virtual "entry/exit" line. Because the DC-E2H supports 60fps, the tracking is significantly more accurate than standard 30fps cameras, especially for fast-moving crowds.
Provides live data on how many people are in a specific zone without needing a separate server. 2. Dynamic Queue Management By utilizing the
port on the back of the camera, the system can trigger physical responses based on dwell time. The Logic:
If more than five people are detected in a "Checkout Zone" for longer than 120 seconds, the camera triggers the alarm output.
This can automatically turn on a "Register Open" light or send a push notification to a manager’s mobile device via the IDIS Solution Suite. 3. Automated Audio Deterrence Leveraging the Two-way Audio capability: The Logic:
If the camera detects a person in a restricted area during "off" hours (using the tripzone analytic), it can automatically play a pre-recorded WAV file through an attached speaker.
Immediate deterrence of unauthorized access before security personnel can even arrive. Implementation Checklist Lens Choice:
Use a wide-angle 2.8-12mm DC-iris lens to maximize the tracking area. PoE (IEEE 802.3af Class 2)
to simplify installation for ceiling-mounted "top-down" counting angles. Micro SD/SDHC/SDXC
card to log occupancy data locally, ensuring no data is lost during network flickers. step-by-step configuration guide
for setting up the Tripzone and Alarm I/O on this specific model?
The marking DC=E2H typically refers to the RT9193-18GB, an ultra-fast, low-noise CMOS Low Dropout (LDO) linear regulator. It is commonly found in SOT23-5 packaging and is widely used in portable RF and wireless applications where stable voltage and small footprints are required. Technical Overview
Based on common TX6211B and RT9193 datasheets, the "DC=E2H" marked variant provides the following specifications:
Output Voltage: Fixed at 1.8V (indicated by the "-18" in the part number). Input Voltage Range: Typically 2.5V to 5.5V.
Dropout Voltage: Very low, often around 170mV to 200mV at a 200mA load.
Maximum Output Current: Up to 300mA to 500mA depending on the specific manufacturer variant.
Quiescent Current: Low power consumption, typically around 30µA to 50µA.
Stability: Compatible with low ESR ceramic capacitors, which helps reduce cost and board space. Key Features for Design
High PSRR: Designed for noise-sensitive applications like cellular phones and wireless LANs.
Fast Transient Response: Settles within microseconds during step loads, maintaining stability even during frequent load fluctuations.
Small Footprint: Most frequently supplied in a SOT23-5 or SC70-5 package. Identification and Sourcing
When searching for the official datasheet, look for the parent series RT9193 (Richtek) or TX6211B (TXSemi). The DC=E2H code is the "marking code" used to identify the 1.8V version on the small physical chip surface where a full part number cannot fit.
Do you need the full PDF datasheet for a specific manufacturer?
Are you designing a new PCB and need advice on capacitor selection for this LDO? TX6211B Series High Speed Low Noise LDO - STM32-base
In the context of electronics and datasheets, "DC" usually refers to the power supply type (Direct Current), and "E2H" is a specific model series known for high durability and compact size.
Here is a guide on how to read and understand the Autonics E2H Series Datasheet.
This is the "no-go zone." Exceeding these values even for a millisecond will destroy the component.
| Parameter | Symbol | Min | Max | Unit | | :--- | :--- | :--- | :--- | :--- | | Input Voltage (5V variant) | V_in | -0.5 | 7.0 | V | | Storage Temperature | T_stg | -55 | +125 | °C | | Lead Soldering Temp | – | – | 260 | °C (10 sec) |
Engineering Insight: Never assume your 5V rail is clean. Voltage spikes from hot-plugging can exceed 7V instantly. Place a 5.6V Zener diode at the input if your system is prone to transients.