TPS3820-50DBVR Datasheet PDF – Voltage Monitor

Part Number : TPS3820-50DBVR, Marking : PDDI

Function : Voltage Monitor With Watchdog Timer

Package : SOT23-5 Type

Manufacturers : Texas Instruments

TPS3820-50DBVR datasheet pdf

Description :

The TPS382x family of supervisors provide circuit  initialization and timing supervision, primarily for DSP and processor-based systems.



1. Power-On Reset Generator With Fixed Delay Time of 200 ms (TPS3823/4/5/8) or 25 ms (TPS3820)
2. Manual Reset Input (TPS3820/3/5/8)
3. Reset Output Available in Active-Low (TPS3820/3/4/5), Active-High (TPS3824/5) and Open-Drain (TPS3828)
4. Supply Voltage Supervision Range : 2.5 V, 3 V, 3.3 V, 5 V
5. Watchdog Timer (TPS3820/3/4/8)
6. Supply Current of 15 μA (Typ)
7. SOT23-5 Package
8. Temperature Range : −40°C to 85°C

Pinouts :

TPS3820-50DBVR pinout


1. Programmable Controls
2. Automotive Systems
3. Portable and Battery-Powered Equipment
4. Intelligent Instruments
5. Wireless Communications Systems
6. Notebook and Desktop Computers

Official Hompage :

Other data sheets within the file : TPS3820, TPS3820-33DBVRG4, TPS3820-33DBVTG4, TPS3820-33QDBVRQ1

TPS3820-50DBVR Datasheet PDF Download

TPS3820-50DBVR pdf


CM501 Datasheet PDF – PMIC for LCD TV / Monitor – Richtek

Part Number : CM501

Package : QFN48 Type

This product has LCD driver for Sharp LC-42SV50U functions.

The manufacturers of this product is Richtek.

See the preview image and the PDF file for more information.

Image :

CM501 LCD Driver

The CM501 generates all the supply rails for thin-film transistor (TFT) liquid-crystal display (LCD) panels in TVs and Monitors. It includes boost and buck regulators, VGH and VGL charge pump regulators, gate pulse modulator (GPM) , HV LDO, voltage detector (XAO) and VCOM OP. The CM501 can support input voltage from 8V to 14V and is optimized for LCD TV panel and LCD monitor applications running directly from 12V supply.


CM501 datasheet pinout


1. 8V to 14V Supply Input Voltage Range
2. Current-Mode Boost Regulator
3. 20V 3.5A 0.1Ω Internal N-MOSFET
4. Programmable Over Current Protection Voltage


1. LCD TV / Monitor

CM501 Circuit

CM501 pdf

CM501 Datasheet

CM501 pdf

Reference Site


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