BQ771802DPJT datasheet(5/19 Pages) TI1

Part #	BQ771802DPJT

Description	Overvoltage Protection for 2-Series to 5-Series Cell Li-Ion Batteries with Internal Delay Timer

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Manufacturer	TI1 [Texas Instruments]

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bq771800, bq771801, bq771802

bq771803, bq771808, bq771809

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SLUSAX1B – DECEMBER 2012 – REVISED OCTOBER 2013

DC CHARACTERISTICS

Typical values stated where TA = 25°C and VDD = 18 V, MIN/MAX values stated where TA = –40°C to 110°C and VDD = 3 V

to 25 V (unless otherwise noted).

SYMBOL

PARAMETER

CONDITION

MIN

TYP

MAX

UNIT

Voltage Protection Threshold VCx

bq771800

4.300

V

bq771801

4.275

V

bq771803

4.275

V

bq771802

4.225

V

bq771804(1)

4.225

V

bq771805(1)

4.325

V

bq771806(1)

4.350

V

bq771807(1)

4.450

V

VOV

V(PROTECT) Overvoltage Detection

bq771808

4.200

V

bq771809

4.200

V

bq771810(1)

4.200

V

bq771811(1)

4.225

V

bq771812(1)

4.250

V

bq771813(1)

4.250

V

bq771814(1)

3.900

V

bq771815(1)

4.225

V

bq771816(1)

4.250

V

bq771800

250

300

400

mV

bq771801

0

50

100

V

bq771802

250

300

400

mV

bq771803

0

50

100

V

bq771804(1)

250

300

400

mV

bq771805(1)

250

300

400

mV

bq771806(1)

250

300

400

mV

bq771807(1)

250

300

400

mV

VHYS

OV Detection Hysteresis

bq771808

0

50

100

V

bq771809

0

50

100

V

bq771810(1)

200

250

mV

bq771811(1)

0

50

100

V

bq771812(1)

0

50

100

V

bq771813(1)

0

50

100

V

bq771814(1)

250

300

400

mV

bq771815(1)

0

50

100

V

bq771816(1)

0

50

100

V

VOA

OV Detection Accuracy

TA = 25°C

–10

10

mV

TA = –40°C

–40

44

mV

TA = 0°C

–20

20

mV

OV Detection Accuracy Across

VOADRIFT

Temperature

TA = 60°C

–24

24

mV

TA = 110°C

–54

54

mV

Supply and Leakage Current

(V5–V4) = (V4–V3) = (V3–V2) = (V2–V1) =

ICC

Supply Current

1

2

µA

(V1–VSS) = 4.0 V (See Figure 13.)

(V5–V4) = (V4–V3) = (V3–V2) = (V2–V1) =

IIN

Input Current at Vx Pins

–0.1

0.1

µA

(V1–VSS) = 4.0 V (See Figure 13.)

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