Datasheet > BD99954MWV

BD99954MWV

更新时间： 2023-09-03 20:29:55

品牌	Logo	应用领域
罗姆 - ROHM		电池 PC
页数	文件大小	规格书
130页	3157K
描述
BD99954MWV is a Battery Management LSI for 1-4 cell Lithium-Ion secondary battery, and available in a 40pin 0.40 mm pitch 5.0 mm x 5.0 mm QFN package and small 41-ball 0.4mm pitch 2.6mm x 3.0mm Wafer-Level CSP package which is designed to meet high degree demands for space-constraint equipment such as Low profile Notebook PC, Tablets and other applications. It provides a Dual-source Battery Charger, two port BC1.2 detection and a Battery Monitor with several alarm(INT#, PROCHOT#) outputs.Read more about Battery Charge ICs...

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1 to 4-Cell Li-Ion Battery Manager

For Application Processors

BD99954MWV, BD99954GW



General Description



Voltage Measurement for Thermistor.

Bias voltage output for the external thermistor.

BD99954 is a Battery Management LSI for 1-4 cell

Lithium-Ion secondary battery, and available in a 40pin

0.40 mm pitch 5.0 mm x 5.0 mm QFN package and small

41-ball 0.4mm pitch 2.6mm x 3.0mm Wafer-Level CSP

package which is designed to meet high degree demands

for space-constraint equipment such as Low profile

Notebook PC, Tablets and other applications.



SMBus Interface (Clock up friendly I2C) for Host

communication



Embedded OTPROM for initial settings

BD99954 provides a Dual-source Battery Charger, two

port BC1.2 detection and a Battery Monitor with several

alarm(INT#, PROCHOT#) outputs



Packages

Pitch

x D

x H

UQFN040V5050

0.4mm 5.0mm x 5.0mm x 1.0mm



Features

UCSP55M3C

6 x 7balls

0.4mm 2.6mm x 3.0mm x 0.62mm



Dual-source Battery Charger



High efficiency Step-Up/Down switching charger for

1-4 cell Li-Ion/Li-poly battery

Two separate input sources for USB-VBUS and DC

adapter.



Two port BC1.2 detectors.

JEITA compliant charging profile

Programmable parameters for Preconditioning, Pre-

charge current, and Fast-charge current

UQFN040V5050

UCSP55M3C



Programmable charging voltage

Programmable charge current

Programmable Switching Frequency: 600kHz to

1.2MHz

 Applications



Ultrabook



Support USB BCS 1.2, ACA, ID pin, OTG

USB-VBUS Over Voltage Protection

Over Voltage Battery Protection

Notebook PC

Ultra-mobile PC

Tablet PC

Battery Short Circuit Detection

Power Path Management with charge pump gate

driver



Structure



Flexibility power path control

Reverse Buck/Boost Option for USB/USB-PD

Bias voltage output for the external thermistor

PMON output

Silicon Monolithic Integrated Circuit



Line up matrix

Parts No.

Package

PROCHOT# output

BD99954MWV

BD99954GW

UQFN040V5050

UCSP55M3C

Support Inhibit / Autonomous Charging

Battery Learn Function

Input Operating Range: 3.8V to 25V

* Product structure: Silicon monolithic integrated circuit. ** This product is not designed to protect against radioactive rays.

TSZ02201-0B4B0A700040-1-2

18. Jul. 2017, Rev.001

http://www.rohm.com/

TSZ22111-14-001

1/127

12 3 4 5 6 7...130

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