CM501 Datasheet PDF – PMIC for LCD TV / Monitor

Part Number: CM501

Package: QFN48 Type

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

The manufacturers of this product is Chi Mei Optoelectronics, Richtek.

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

Image:

CM501 LCD Driver

Description

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.

Pinout

CM501 datasheet pinout

Features

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

Applications

1. LCD TV / Monitor

CM501 Circuit

CM501 pdf

CM501 Datasheet

CM501 pdf

Reference Site

1. https://monitor.espec.ws/section27/topic242079.html
2. https://datasheetgo.com/cm501-pdf/

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HT4936S Datasheet – Mobile Power Management Chip

HT4936S is Mobile Power Management Chip.

Part Number: HT4936

Function: N-Channel 22-V (D-S) 175°C MOSFET

Package: SOP 16 type

Manufacturer: HOTCHIP

Images:

HT4936S-power-management-chip

Description

The HT4936S is a monolithic, mobile power management chip that uses advanced charge-and-discharge port sharing and synchronous rectification with low external components and excellent performance. Form a good 1A-in / 1A-out 4LEDs mobile power.

Circuit

HT4936S-circuit

Features

1. Built-in maximum 1A linear charging mode, charging current adjustable externally;

2. trickle / constant current / constant voltage three-stage charging, 4.20V / 4.35V optional support 0V battery charge;

3. built-in charging can automatically reduce the charging current according to temperature rise, 130 degrees began to decline, the minimum can be reduced to 0;

4.step-up using synchronous rectification circuit, the highest efficiency over 90%, low heat, fixed 5.1V output, do not need external Resistance setting

5. Boost output current 1A (BTP = 3.6V);

6. With constant power output function, a complete over current, short circuit protection, built-in temperature protection automatically stop temperature rise over-temperature;

Pinout
HT4936S-datasheet-pinout

HT4936S Datasheet

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