STBC03 datasheet(1/34 Pages) STMICROELECTRONICS

部件名	STBC03

功能描述	Li-Ion linear battery charger with LDO and load switches

PDF	34 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 34 page

February 2017

DocID029927 Rev 2

1/34

This is information on a product in full production.

www.st.com

STBC03

Li-Ion linear battery charger with LDO and load switches

Datasheet - production data

Features



Charges single-cell Li-Ion batteries with

CC/CV algorithm and charge termination



Fast charge current up to 650 mA adjustable

by external resistor



Pre-charge current from 1 mA



Adjustable floating voltage up to 4.45 V



Integrated low quiescent LDO regulator



Automatic power path management



Auto-recharge function



Embedded protection circuit module (PCM)

featuring battery overcharge, battery over-

discharge and battery overcurrent

protections



Charging timeout



Shipping mode feature allows battery low

leakage when over-discharged



Very low battery leakage in over-discharge

and shutdown mode



Charger enable input



Charge/fault status output



Battery voltage pin to allow external gauging



Two 3 Ω SPDT load switches



Available in Flip Chip 30, 400 µm pitch

package



Rugged ±4 kV HBM, ESD protection on the

most critical pins

Applications



Smart watches and wearable devices



Fitness and medical accessories



Li-Ion and other Li-Poly battery rechargeable

equipment

Description

The STBC03 is a highly integrated power

management, embedding a linear battery

charger, a 150 mA LDO, 2 SPDT load switches,

and a protection circuit module (PCM) to prevent

the battery from being damaged under fault

conditions.

The STBC03 uses a CC/CV algorithm to charge

the battery; the fast charge and the pre-charge

current can be both independently programmed

using dedicated resistors. The termination current

is set to 5% of the programmed fast charge

current, but has fixed values for fast charge

currents lower than 20 mA. The battery floating

voltage value is programmable and can be set to

a value up to 4.45 V.

The STBC03 also features a charger enable

input to stop the charging process anytime.

The STBC03 is automatically powered off from

the connected battery when the IN pin is not

connected to a valid power source (battery

mode).

A battery under/overtemperature condition can

be detected by using an external circuitry (NTC

thermistor).

The STBC03 draws less than 10 nA from the

connected battery in shipping mode conditions,

so to maximize the battery life during shelf life of

the final application. The device is available in the

Flip Chip 30 package.

类似零件编号 - STBC03

制造商	部件名	数据表	功能描述
STMicroelectronics	STBC03	307Kb / 4P	Li-Ion/Li-Po battery power management evaluation board based on STBC03 27-Sep-2017

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