Datasheet > CW6308AAAC

CW6308AAAC

更新时间： 2024-10-29 14:50:59

品牌	Logo	应用领域
赛微 - CELLWISE		电池监控
页数	文件大小	规格书
2页	549K
描述
输入过压保护输入电压调制 NTC监控电池过流保护/欠压保护船运模式 USB标准兼容 0.5μA超低功耗模式

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CW6308AAAC 数据手册

www.cellwise-semi.com

CW6308-DS V1.1

CW6308

320mA Linear Charger with Power Path Management,

1mA Termination and 300nA Ship Mode

Features

General Description



Linear Charger for 1S Li-ion/Li-Polymer Batteries

The CW6308 is a high accuracy linear charger IC

with power path management for Wearables and

IoT devices using single-cell Li-ion/Li-Polymer

batteries.

The device embeds a charge management block

and fulfills full charge phases, including pre-charge,

fast charge constant current (CC), fast charge

constant voltage (CV) and charge termination.

The device integrates power path management

(PPM) that allows the device to provide power for

the system running while charging the battery even

with a depleted battery. It also supports full system

reset and ship mode.

The CW6308 provides system over current

protection (OCP) by limiting the current from the

input to the system and that from the battery to the

system. The battery to system discharging path will

be cut off when battery voltage is lower than the

battery under voltage lockout (UVLO) threshold.

The CW6308 could monitor the battery pack

temperature via the NTC pin (10K or 100K NTC

thermistor supported) and suspend charging once

the battery is in hot or cold condition. The device

also integrates charge safety timer and pre-charge

timer. The ongoing charge will be turned off when

either of the two is expired. An I²C control interface

allows the host to configure charger parameters

and also get the IC status. I²C watchdog is

available during charge and discharge.

• +16V Maximum Voltage for Input Source

• Configurable 3.85V-4.6V CV Regulation

• ±0.5% CV Regulation Accuracy

• Configurable 10mA-320mA CC Charging

• Down to 1mA Termination Current

Power Path Management

• System Reset and Ship Mode Supported

• Battery Supplement Mode Supported

Configurable Input Voltage Regulation and Input

Current Limit up to 500mA

NTC Thermistor Monitor Supported

OCP in Discharge and Supplement Mode

Charge Safety Timer and Pre-charge Timer

Watchdog during Charge and Discharge

Ultra-Low Battery Quiescent Current:

• 5µA in Normal Mode



• 500nA in Ultra Low Power Mode

• 300nA in Ship Mode

I²C Serial Interface



Lead-free 1.25mmx1.25mm, WLCSP-9 package

Applications



Internet of Things Devices

Fitness Accessories

Smart Watches

BT Headsets/TWS Earbuds

Low-Power Handheld Devices

The device is available in a tiny lead-free 0.4mm

pitch, 1.25mm x 1.25mm, 9-ball WLCSP package.

中文翻译

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与CW6308AAAC相关器件

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