bq3060

www.ti.com

SLUS928A – MARCH 2009 – REVISED NOVEMBER 2009

EXTERNAL CELL BALANCE DRIVE

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Cell balance ON for VC1, VCi-VCi+1 = 4V, where i = 1~4

5.7

Internal pull-down

Cell balance ON for VC2, VCi-VCi+1 = 4V, where = i = 1~4

3.7

resistance for external

k

Ω

Cell balance ON for VC3, VCi-VCi+1 = 4V, where = i = 1~4

1.75

cell balance

Cell balance ON for VC4, VCi-VCi+1 = 4V, where = i = 1~4

0.85

CELL VOLTAGE MONITOR

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

±10

±20

mV

±10

±35

(1)

This is the performance expected for non-calibrated device.

INTERNAL TEMPERATURE SENSOR

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Temperature sensor accuracy

±3%

°C

THERMISTOR MEASUREMENT SUPPORT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Internal resistor drift

–230

ppm/°C

R

Internal resistor

TS1, TS2

17

20

k

Ω

INTERNAL THERMAL SHUTDOWN

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Maximum REG27 temperature

125

175

°C

Recovery hysteresis temperature

10

°C

(1)

Parameters assured by design. Not production tested.

HIGH FREQUENCY OSCILLATOR

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Operating frequency of CPU clock

2.097

MHz

–2%

±0.25%

2%

–3%

±0.25%

3%

3

6

ms

(1)

(2)

The startup time is defined as the time it takes for the oscillator output frequency to be ±3% when the device is already powered.

LOW FREQUENCY OSCILLATOR

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Operating frequency

32.768

MHz

–1.5%

±0.25%

1.5%

–2.5%

±0.25%

2.5%

100

ms

(1)

(2)

The startup time is defined as the time it takes for the oscillator output frequency to be ±3%.

Copyright © 2009, Texas Instruments Incorporated

Submit Documentation Feedback

7

Product Folder Link(s): bq3060