bq27425-G2

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SLUSB23B – OCTOBER 2012 – REVISED JUNE 2015

7.4 Thermal Information

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

bq27425-G2

YZF [DSBGA]

UNIT

15 PINS

Junction-to-ambient thermal resistance

70

°C/W

Junction-to-case (top) thermal resistance

17

°C/W

Junction-to-board thermal resistance

20

°C/W

Junction-to-top characterization parameter

1

°C/W

Junction-to-board characterization parameter

18

°C/W

Junction-to-case (bottom) thermal resistance

n/a

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953

7.5 Electrical Characteristics: Power-On Reset

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

1.98

2.20

2.31

V

(Regulator output)

Power-on reset hysteresis

43

115

185

mV

7.6 2.5-V LDO Regulator

PARAMETER

TEST CONDITION

MIN

NOM

MAX

UNIT

2.7 V

2.4

2.5

2.6

2.45 V

Regulator output voltage

V

battery),

2.4

CE High-level input voltage

2.65

VREGIN = 2.7 to 4.5 V

V

CE Low-level input voltage

0.8

7.7 Integrating ADC (Coulomb Counter) Characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

–0.04

0.04

V

Conversion time

Single conversion

1

s

Resolution

14

15

bits

Input offset

10

μV

INL

Integral nonlinearity error

±0.007

±0.034

% FSR

2.5

M

Ω

0.3

μA

(1)

Specified by design. Not tested in production.

(2)

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