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:
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
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
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