BQ77904_V04 datasheet(24/46 Pages) TI

部品番号	BQ77904

部品情報	BQ77904, BQ77905 3-Series to 20-Series Ultra Low-Power Voltage, Current, Temperature, and Open-Wire Stackable Lithium-Ion Battery Protector

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• Ensure that each device’s CCFG pin is configured appropriately for its specific number of cells (three, four, or

five cells).

• For the bottom device, the CHG pin should be used to drive the CHG FET and leave the CHGU pin

unconnected. For the upper device, the CHGU pin should be used to connect to lower device’s CTRC pin

with a RCTRx and leave the CHG pin unconnected.

• Connect the upper DSG pins with a RCTRx to the immediate lower device CTRD pin.

• All upper devices should have the SRP and SRN to its AVSS pin.

• If load removal is not used for UV recovery, connect the upper device LD pin to its AVSS pin, as shown in

Figure 8-9 and Figure 8-10. Otherwise, refer to Figure 9-7 for proper LD connection.

bq77905

RIN

RSNS

CIN

RGS_CHG

RGS_DSG

RTS

CVDD

PACK-

RLD

RVDD

RTS_PU

RDSG

RCHG

CTRD

AVDD

VC5

VC4

VC3

VC2

DVSS

TS

LD

CHG

DSG

CTRC

CCFG

SRP

AVSS

VC1

CHGU

VTB

SRN

VDD

CVDD

RIN

CIN

RIN

bq77905

RIN

CIN

RTS

CVDD

PACK+

RVDD

RTS_PU

RCTRD

RCTRC

CTRD

AVDD

VC5

VC4

VC3

VC2

DVSS

TS

LD

CHGU

DSG

CTRC

CCFG

SRP

AVSS

VC1

CHG

VTB

SRN

VDD

CVDD

RIN

CIN

RIN

Figure 8-9. 10S Pack Using Two BQ77905 Devices

BQ77904, BQ77905

SLUSCM3K – APRIL 2020 – REVISED JULY 2020

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同様の部品番号 - BQ77904_V04

メーカー	部品番号	データシート	部品情報
Texas Instruments	BQ77904	1Mb / 47P	[Old version datasheet] bq77904, bq77905 3-Series to 20-Series Ultra Low-Power Voltage, Current, Temperature, and Open-Wire Stackable Lithium-Ion Battery Protector
	BQ77904	1Mb / 47P	[Old version datasheet] BQ77904, BQ77905 3-Series to 20-Series Ultra Low-Power Voltage, Current, Temperature, and Open-Wire Stackable Lithium-Ion Battery Protector
	BQ77904	1Mb / 47P	[Old version datasheet] BQ77904, BQ77905 3-Series to 20-Series Ultra Low-Power Voltage, Current, Temperature, and Open-Wire Stackable Lithium-Ion Battery Protector

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同様の説明 - BQ77904_V04

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