PT6111 datasheet, PDF - EEWORLD Datasheet

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PT6111: DescriptionAnalog Front End for 3~8 cells Battery Monitoring and Balancing; CategoryPower/power management Battery power management chip; File Size881KB，12 Pages; ManufacturerChina Resources Microelectronics Limited; Founded in 2004, China Resources Silicon Power Technology (Shanghai) Co., Ltd. (hereinafter referred to as "China Resources Silicon Power") is a leading IC design company in the industry. The company is based on the power management, LED lighting driver, LED backlight products and battery management market, and strives to provide customers with high-quality and comprehensive IC solutions. China Resources Silicon Power adheres to the principle of "quality first" and takes the successful provision of the most complete technical services to customers as the foundation of the enterprise.

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PT6111 Overview

Analog Front End for 3~8 cells Battery Monitoring and Balancing

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PT6111

Analog Front End for 3~8 cells

Battery Monitoring and Balancing

GENERAL DESCRIPTION

PT6111

highly

integrated

battery

charge/discharge

and

balancing

management

FEATURES







Battery Voltage Sample and Buffer

8 channels for cell voltage measurements

High-precision cell voltage detection:

±15mV

@4.2V

1:1 buffer for cell voltage output

Integrated Charge and Discharge MOSFET

driver

Integrated 50mA cell balance driver

Integrated 5V LDO for external MCU: >45mA

Internal thermal shutdown (TSD)

Low power consumption in sleep mode:

<12μA (EN=0)

analog front end which support 3 to 7 cells serially

connected Li-ion, Li-polymer or 3 to 8 cells serially

LiFePO

battery pack. It is applicable in cordless

electrical tools, vacuum cleaner or other multi-cell

battery powered systems. PT6111 use a high

precision amplifier to buffer each battery cell

voltage to an analog output pin. All output voltages

are alternatively selected by the co-working MCU

and digitized by the ADC within that MCU. The

integrated battery balance circuitry in the PT6111

provides a shunt current of 50mA without the need

of any external transistors. The chip also includes

important features such as an integrated LDO

which power for an external MCU, charge and

discharge power MOSFETs driver

PT6111 works together with an MCU performs

battery

safety

protections

against

battery

over-voltage, under-voltage and cell balancing.

PT6111 is available in QFN-24(4x4) package.

APPLICATIONS



Vacuum cleaner

Power tools

Multi-cell battery pack in portable devices

ORDERING INFORMATION

PACKAGE

QFN-24

Note:

TEMPERATUR

ERANGE

-40° to 85°

原厂技术支持：联系人：徐俐湘　　　联系电话：１８５６５８２０８８０

TRANSPORT

MEDIA

Tape and Reel

5000 units

MARKING

PT6111

xxxxxX

ORDERING PART NUMBER

PT6111EQFN

xxxxxX

Assembly Factory Code

Lot Number

CR POWTECH (SHANGHAI) CO., LTD.

PT6111_DS_Rev EN 1.1

WWW.CRPOWTECH.COM

Page 1

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