BEU8636-12-S datasheet, PDF - EEWORLD Datasheet

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BEU8636-12-S: DescriptionBalancing for 12-Cell Battery Cell Voltage Monitoring and Telemetry Reconditioning Load Control Cell Bypass Relay Drivers; File Size244KB，9 Pages; ManufacturerAeroflex; Websitehttp://www.aeroflex.com/

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Balancing for 12-Cell Battery Cell Voltage Monitoring and Telemetry Reconditioning Load Control Cell Bypass Relay Drivers

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Cell Management Electronics for Lithium-Ion Battery

BEU8636-12

Balancing for 12-Cell Battery

Cell Voltage Monitoring and Telemetry

Reconditioning Load Control

Cell Bypass Relay Drivers

www.aeroflex.com/BEU

March 3, 2008

Description

The Aeroflex 8636-12 is a Lithium-Ion cell

balancing system. It controls the balancing

of one battery consisting of a series stack

of Lithium-Ion cells to ensure that each cell

is precisely charged to its proper level of

energy and to monitor each cell's

operational voltage.

The cell balancing circuitry uses a set of

bilateral DC-DC converters which tie each

cell of a battery to a common share bus.

Cell charge is distributed among the

multiple cells so that the charge of each

cell is automatically matched to the

average charge of the other cells.

Features

●

Safety

The safety of Lithium-Ion battery

technology requires that extreme care be

taken in the provisions made for cell

charging and cell monitoring.

Precision measurements of each of the

individual cell voltages in the battery stack

and precise charge balancing to each

individual cell are critical.

The Aeroflex 8636-12 provides the

necessary precision of control and

monitoring to ensure that safety.

Discrete logic outputs are provided for

critical signaling, enabling the user to

initiate load shedding and/or to halt

charging.

Low operating losses enable continuous

operation. Continuous balancing provides

maximum protection against any one cell

becoming overcharged.

Cell Balancing to within ±5.0mV

Cell Voltage Monitoring Accuracy

±10.0mV (±20.0mV Space Mission Life)

Total Battery Voltage Monitoring

Accuracy ±0.3% of Full Scale

Supports 12 Lithium-Ion battery cells in

series.

Battery Drain Current at Balance

15mA maximum

Discrete output lines for critical signaling

with user definable thresholds:

Overvoltage Protection 4.40V typ

Cell Voltage High

4.20V typ

Cell Voltage Low

3.20V typ

●

MIL-STD-1553B telemetry for data

logging and monitoring

SCD8636-12 Rev A

BEU8636-12-S Related Products

	BEU8636-12-S	BEU8636-12
Description	Balancing for 12-Cell Battery Cell Voltage Monitoring and Telemetry Reconditioning Load Control Cell Bypass Relay Drivers	Balancing for 12-Cell Battery Cell Voltage Monitoring and Telemetry Reconditioning Load Control Cell Bypass Relay Drivers

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