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What is HT4921?

This electronic component, produced by the manufacturer "HOTCHIP", performs the same function as "Mobile power management scheme".


HT4921 Datasheet PDF - HOTCHIP

Part Number HT4921
Description Mobile power management scheme
Manufacturers HOTCHIP 
Logo HOTCHIP Logo 


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No Preview Available ! HT4921 datasheet, circuit

HT492 1
移动电源管理方案
概述:
HT4921 是一款集成度很高的单节移动电源管理芯片,它集成了充电管理模块、LED 指示模块、升压放电
管理模块,完全取代目前市场上的充电管理 IC+MCU+升压 IC 方案。
系统功能特点:
高度集成,极少的外围元器件;
线性充电模式,内置 1A MOSFET,支持对 0V 电池充电,涓流/恒流/恒压三段式充电。
充电电流外部可调。
内置充电电流会随温度升高而降低,130 度开始下降,最低可降至 0
放电时防倒灌保护。
支持单灯模式和双灯模式;
4KV ESD
固定开关频率 1MHZ
电池过充、过放保护
负载插入自动升压,负载移除自动休眠
1

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HT4921 equivalent
功能模块:
HT4921
PROG
VDD
L1
BTP
6V
OVP Vo
L2
EA 5.1V
OCP LX
Gnd
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HT4921 electronic component.


Information Total 7 Pages
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1. - Mobile Power Management IC

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Featured Datasheets

Part NumberDescriptionMFRS
HT4921The function is Mobile power management scheme. HOTCHIPHOTCHIP

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