Texas Instruments Single Cell Battery Fuel Gauge Evaluation Module BQ27210EVM BQ27210EVM Data Sheet

V

CC

Supply voltage

2.6

4.5

V

T

A

Operating free-air temperature

–20

70

°

C

Input voltage, SRP and SRN with respect to V

SS

–100

100

mV

over operating free-air temperature range and supply voltage range (unless otherwise noted)

I

CC(VCC)

Active current

52

90

I

CC(SLP)

Sleep current

V

BAT

= V

CC

1.0

2.5

µA

I

CC(SHP)

Ship current (bq27010 only)

0.9

2.0

I

CC(POR)

Hibernate current

0 < V

CC

< 1.5 V

0.6

1.5

RBI pin only, V

CC

<

RBI current

< 1

20

nA

V

CC(POR)

V

(POR)

POR threshold

2.0

2.6

V

Input impedance

BAT, SRN, SRP

10

M

Ω

Pull-down current

HDQ, SCL, SDA

2.7

4.5

µA

V

CC

< 4.2 V

1.5

V

IH

High-level input voltage

V

CC

> 4.2 V

1.7

V

IL

Low-level input voltage

0.7

V

Low-level output voltage (GPIO)

I

OL

= 1 mA

0.4

V

OL

Low-level output voltage (HDQ, SCL, SDA)

I

OL

= 2 mA

0.4

Measurement range

V

CC

= V

(BAT)

2.6

4.5

V

Reported voltage resolution

2.7

mV

Reported accuacy

-25

25

Voltage update time

2.56

s

Reported temperature resolution

0.25

°

K

Reported temperature accuracy

-3

3

Temperature update time

2.56

s

≤

≤

°

≤

≤

°

f

OSC

Internal oscillator frequency

-2.2%

1.5%

Current gain variability

-0.5%

0.5%

Coulometric gain variability

-1.7%

0.5%

Coulomb counter input offset

(1)

-15

0

15

µV

V

SRP

-V

SRN

differential input

–100

100

mV

≥

°

≤

≤

°

Programming voltage rise time

0.5

1.5

ms

Programming voltage high time

10

100

ms

Programming voltage fall time

0.5

1.5

ms

Programming voltage

Applied to PGM pin

20

22

V

EEPROM programming current

V

PROGRAM

= 21 V

15

mA

(1)

Excludes contributions to the offset due to PCB layout or other factors external to the bq27010/bq27210.

(2)

Maximum number of programming cycles on the EEPROM is 10 and data retention time is 10 years at T

A

= 85

°

C.

3