6.3 Recommended Operating Conditions (continued)

TA =–40°C to 85°C; Typical Values at TA = 25°C CLDO25 = 1.0 µF, and VREGIN = 3.6 V (unless otherwise noted)

MIN

NOM

MAX

UNIT

VIH(OD)

Input voltage, high (SDA, SCL,

HDQ)

1.2

6

V

VA1

Input voltage range (TS)

VSS – 0.05

1

V

VA2

Input voltage range (BAT)

VSS – 0.125

5

V

VA3

Input voltage range (SRP, SRN)

VSS – 0.125

0.125

V

ILKG

Input leakage current (I/O pins)

0.3

μA

tPUCD

Power-up communication delay

250

ms

6.4 Thermal Information

THERMAL METRIC(1)

BQ34Z100-R2

UNIT

TSSOP (PW)

14 PINS

RθJA, High K

Junction-to-ambient thermal resistance

103.8

°C/W

RθJC(top)

Junction-to-case(top) thermal resistance

31.9

RθJB

Junction-to-board thermal resistance

46.6

ψJT

Junction-to-top characterization parameter

2.0

ψJB

Junction-to-board characterization parameter

45.9

RθJC(bottom)

Junction-to-case(bottom) thermal resistance

N/A

(1)

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

Report, SPRA953.

6.5 Electrical Characteristics: Power-On Reset

TA = –40°C to 85°C; Typical Values at TA = 25°C and VREGIN = 3.6 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

VIT+

Positive-going battery voltage

input at REG25

2.05

2.20

2.31

V

VHYS

Power-on reset hysteresis

45

115

185

mV

6.6 Electrical Characteristics: LDO Regulator

TA = 25°C, CLDO25 = 1.0 µF, VREGIN = 3.6 V (unless otherwise noted)(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

VREG25

Regulator output

voltage

2.7 V ≤ VREGIN ≤ 4.5 V,

IOUT ≤ 16 mA

TA= –40°C to 85°C

2.3

2.5

2.7

V

2.45 V ≤ VREGIN < 2.7 V

(low battery), IOUT ≤ 3 mA

TA = –40°C to 85°C

2.3

ISHORT (2)

Short Circuit

Current Limit

VREG25 = 0 V

TA = –40°C to 85°C

250

mA

(1)

LDO output current, IOUT, is the sum of internal and external load currents.

(2)

Specified by design. Not production tested.

6.7 Electrical Characteristics: Internal Temperature Sensor Characteristics

TA = –40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at TA = 25°C and REG25 = 2.5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

GTEMP

Temperature sensor voltage gain

–2

mV/°C

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BQ34Z100-R2

SLUSF37 – DECEMBER 2022

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