bq20z60-R1

SLUS991 – DECEMBER 2009

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PIN FUNCTIONS (continued)

PIN FUNCTIONS (continued)

PIN

DESCRIPTION

NO.

NAME

Connections for a small-value sense resistor to monitor the battery charge- and discharge-current

22

SRP

IA

flow

Connections for a small-value sense resistor to monitor the battery charge- and discharge-current

23

SRN

IA

flow

Master reset input that forces the device into reset when held low. Must be held high for normal

24

MRST

I

operation

25

VSS

P

Negative supply voltage

26

VCC

P

Positive supply voltage

27

RBI

P

28

NC

–

Not used— leave floating

29

VCELL+

I

Input from bq29330 used to read a scaled value of individual cell voltages

30

VCELL–

I

Input from bq29330 used to read a scaled value of individual cell voltages

ABSOLUTE MAXIMUM RATINGS

Over operating free-air temperature range (unless otherwise noted)

(1)

RANGE

Supply voltage range

–0.3 V to 2.75 V

Open-drain I/O pins

–0.3 V to 6 V

Input voltage range to all other pins

Operating free-air temperature range

–40°C to 85°C

Storage temperature range

–65°C to 150°C

(1)

Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating

conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply voltage

2.4

2.5

2.6

V

No flash programming

Operating mode current

μA

bq20z60-R1 + bq29330

475

Sleep mode

Low-power storage mode current

μA

bq20z60-R1 + bq29330

51

Shutdown mode

0.1

1

Low-power shutdown mode current

μA

WN)

bq20z60-R1 + bq29330

0.2

Output voltage low SMBC, SMBD, SDATA, SCLK,

0.4

V

SAFE

Output voltage low LED1, LED2, LED3, LED4,

0.4

V

LED5

Output voltage high SMBC, SMBD, SDATA, SCLK,

V

SAFE

Input voltage low SMBC, SMBD, SDATA, SCLK,

–0.3

0.8

V

XALERT, PRES, PFIN, DISP

Input voltage high SMBC, SMBD, SDATA, SCLK,

2

6

V

XALERT, PRES, PFIN

Input voltage high DISP

2

V

(1)

This value does not include the bq29330

4

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