Datasheet > TS55001

TS55001

更新时间： 2024-09-16 12:36:47

品牌	Logo	应用领域
其他 - ETC		电池
页数	文件大小	规格书
22页	1243K
描述
High Efficiency Li-Ion Battery Charger

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数据手册

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TS55001 数据手册

TS55001

Version 1.3

High Efficiency Li-Ion Battery Charger

DESCRIPTION

FEATURES

V_BATreverse current blocking

The TS55001 is a DC/DC synchronous switching Li-

ion Battery Charger with fully integrated power

switches, internal compensation, and full fault

protection. The switching frequency of 1MHz enables

the use of small filter components, resulting in smaller

board space and reduced BOM costs.

Programmable temperature-compensated termination

voltage with +/- 1% tolerance

Up to 1.5A of continuous output current in Full

Charge Constant-Current (CC) mode

User programmable charging current

High efficiency – up to 92% at typical load

Current mode PWM control in constant voltage

Supervisor for V_BATreported at the nFLT pin

Input supply under-voltage lockout

The regulation in Full Charge mode is Constant-

Current (CC). Once termination voltage is reached, the

regulator operates in voltage mode. When the regulator

is disabled (EN is low), the device draws 10uA

quiescent current.

Full protection for V_BATover-current, over-temp,

over-voltage, and charging timeout

The TS55001 includes supervisory reporting through

the nFLT (Inverted Fault) open drain output to interface

other components in the system. Device programming

is achieved by an I²C interface through SCL and SDA

pins.

Charge status indication

I2C program interface with EEPROM registers

SUMMARY SPECIFICATIONS

Wide input voltage range: V_BAT+ 0.3V (3.5V min) to

7.2V

APPLICATIONS

Packaged in a 16pin QFN (4x4)

Portable battery chargers

Smart Phones

Laptops

Tablets / eReaders

TYPICAL APPLICATION

VIN

VTH_REF

VTHERM

R_REF

C_IN

GND

VDD

C_Vdd

R_SENSE

L_OUT

Battery

C_OUT

TS55001

R_THM

SCL

SDA

V_SENSE

VDD

R_PULLUP

(optional)

V_BAT

VDD

R_PULLUP

(optional)

PGND

Specifications subject to change

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