Datasheet > LP7800HA/B

LP7800HA/B

更新时间： 2024-04-09 19:01:59

品牌	Logo	应用领域
微源半导体 - LOWPOWER		/
页数	文件大小	规格书
13页	822K
描述
五合一耳机充电仓芯片,关断型,2LED状态指示

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中文翻译

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LP7800HA/B 数据手册

LP7800H

High Efficiency TWS Case Manager

Features

General Description

The LP7800H is an advanced TWS charging case

management IC targeting to improve the total battery run

time of the TWS earphones. The IC integrates a linear

charger which contains completely charge modes with

300mA and 200mA options. The LP7800H supports

smart discharge management module to protect the

battery from over-discharged to maximize the battery run

time. The IC features a high efficiency synchronous boost

module, automatic load detection and Key control

discharge, automatic shut-down while the discharge

current is lower than the cut-off current threshold. The IC

includes charging and discharging status indication

through two LEDs controller. The quiescent current is

less than 13-µA in standby mode.

⚫ Maximum input voltage up to 30-V with 6.5-V input-

over-voltage protection

⚫ Charge management

- Default 4.2-V floating voltage with 1% accuracy

- Trickle current/constant current(CC)/constant voltage

mode supported

- LP7800HA: 300mA constant current charge

- LP7800HB: 200mA constant current charge

- Charge termination and automatic re-charge

- Dynamic power management for different input

source capacity application

⚫ Discharge management

- Smart discharge voltage management to maximize

the battery life

- 96% peak boost efficiency

- Automatic load detection

- Key control

The device provides various safety features for battery

charging and discharging, including device junction

temperature-limit protection for charging by limiting the

charge current, which is implemented by an internal

thermal foldback regulation loop, battery discharge

inductor current-limit protection, V_OUTshort protection

and thermal shutdown.

- Low cut-off discharge current

- Inductor current-limit protection

- Short circuit protection

⚫ Temperature Management

- Thermal foldback at 125℃ junction temperature

- Thermal shutdown at 150℃ junction temperature

⚫ Built-in charging and discharging indication

⚫ 13-µA low quiescent current in standby mode

The LP7800H is available in a small 8-pin ESOP package.

Applications

⚫

TWS charging case

Order Information

ESOP-8

LP7800H

Marking Information

Battery Voltage

Default:4.20V

Device

Marking

LPS

Package

ESOP-8

Shipping

4K/REEL

LP7800HASPF

LP7800HA

YWX

F: Pb-Free

LPS

LP7800HB

YWX

Package Type

SP: ESOP-8

LP7800HBSPF

ESOP-8

4K/REEL

A: 300mA CC current, B:200mA CC current

Marking indication:

Y: Year code. W: Week code. X: Batch numbers.

LP7800H Rev1.0 Sep.-2022

www.lowpowersemi.com

Email: marketing@lowpowersemi.com

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与LP7800HA/B相关器件

型号	品牌	获取价格	描述	数据表
LP7800K2/4	LOWPOWER	获取价格	五合一耳机充电仓芯片,关断型,2/4LED状态指示
LP7800S	LOWPOWER	获取价格	五合一耳机充电仓芯片,关断型,2LED状态指示
LP7800XSOF		获取价格	äºåä¸è³æºåçµä»ä¸ç¨è¯ç
LP7801/T	LOWPOWER	获取价格	超低功耗耳机充电仓芯片,常开型
LP7801D	LOWPOWER	获取价格	超低功耗耳机充电仓芯片,常开型
LP7801L	LOWPOWER	获取价格	超低功耗耳机充电仓芯片,常开型
LP7801TE	LOWPOWER	获取价格	超低功耗耳机充电仓芯片,常开型
LP7802T	LOWPOWER	获取价格	六合一耳机充电仓芯片,关断型,2 LED状态指示,双路独立输出
LP7804T	LOWPOWER	获取价格	六合一耳机充电仓芯片,关断型,4 LED状态指示,双路独立输出
LP7806K2/K4SPFA	LOWPOWER	获取价格	五合一耳机充电仓芯片,关断型,2 /4LED状态指示

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