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RECOMMENDED OPERATING CONDITIONS

ELECTRICAL CHARACTERISTICS

bq29410, bq29411, bq29412, bq29413

bq29414, bq29415, bq29419

SLUS669E – AUGUST 2005 – REVISED MAY 2007

MIN

NOM

MAX

UNIT

Supply voltage

4

25

V

VC1, VC2, VC3, VC4

0

Input voltage range

V

VCn – VC (n=1), (n=1, 2, 3), VC4 – GND

0

5

Delay time capacitance

0.22

µF

Voltage-monitor filter resistance

100

1k

Ω

Voltage-monitor filter capacitance

0.01

0.1

µF

Supply-voltage filter resistance

0

1

k

Ω

Supply-voltage filter capacitance

0.1

µF

Operating ambient temperature range

–40

110

°C

over recommended operating free-air temperature range, T

PARAMETER

TEST CONDITION

MIN

NOM MAX

UNIT

25

35

Overvoltage detection

25

50

mV

accuracy

80

bq29410

4.35

bq29411

4.40

bq29412

4.45

Overvoltage

bq29413

4.50

V

bq29414

4.55

bq29415

4.60

bq29419

4.30

Overvoltage detection

300

mV

Input current

0.3

µA

VC1 = VC2 = VC3 = VC4 = 3.5 V (see Figure 1)

Overvoltage detection delay

1

1.5

2

S

time

CD GND clamp current

5

12

µA

VC1–VC2 = VC2–VC3 = VC3–VC4 = VC4–GND = 3.5 V

2

3

(see Figure 1)

Supply current

µA

VC1–VC2 = VC2–VC3 = VC3–VC4 = VC4–GND = 2.3 V

1.5

2.5

(see Figure 1)

VC1–VC2 = VC2–VC3 = VC3–VC4 = VC4–GND =

7

OUT pin drive voltage

V

1.5

2

2.5

OUT = 3 V,

High-level output current

–1

mA

VC1 = VC2 = VC3 = VC4 = 4.7 V

Low-level output current

5

µA

VC1–VC2 = VC2–VC3 = VC3–VC4 = VC4–GND = 3.5 V

(1)

Levels of the overvoltage detection and the hysteresis can be adjusted. For assistance, contact a Texas Instruments sales

representative.

3

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