7.7 Low-Voltage General Purpose I/O, TS1 (continued)

Typical values stated where TA = 25°C and VCC = 7.2 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V

to 7.6 V (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

ILKG

Input leakage

current

1

µA

7.8 Power-On Reset (POR)

Typical values stated where TA = 25°C and VCC = 7.2 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V

to 7.6 V (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

VREGIT–

Negative-going voltage

input

VREG

1.51

1.55

1.59

V

VHYS

Power-on reset

hysteresis

VREGIT+ – VREGIT–

70

100

130

mV

tRST

Power-on reset time

200

300

400

µs

7.9 Internal 1.8-V LDO

Typical values stated where TA = 25°C and VCC = 7.2 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V

to 7.6 V (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

VREG

Regulator voltage

1.6

1.8

2.0

V

ΔVO(TEMP)

Regulator output over

temperature

ΔVREG/ΔTA, IREG = 10 mA

±0.25%

ΔVO(LINE)

Line regulation

ΔVREG/ΔVBAT, VBAT = 10 mA

–0 .6%

0.5%

ΔVO(LOAD)

Load regulation

ΔVREG/ΔIREG, IREG = 0 mA to 10 mA

–1.5%

1.5%

IREG

Regulator output

current limit

VREG = 0.9 x VREG(NOM), VIN > 2.2 V

20

mA

ISC

Regulator short-circuit

current limit

VREG = 0 x VREG(NOM)

25

40

50

mA

PSRRREG

Power supply rejection

ratio

ΔVBAT/ΔVREG, IREG = 10 mA, VIN > 2.5 V, f = 10 Hz

40

dB

VSLEW

Slew rate enhancement

voltage threshold

VREG

1.58

1.65

V

7.10 Current Wake Comparator

Typical values stated where TA = 25°C and VCC = 7.2 V, Min/Max values stated where TA = –40°C to 85°C and VCC = 2.2 V

to 7.6 V (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX UNIT

VWAKE

Wake voltage

threshold

VWAKE = VSRP – VSRN WAKE_CONTROL[WK1, WK0]

= 0,0

±0.3

±0.625

±0.9

mV

VWAKE = VSRP – VSRN WAKE_CONTROL[WK1, WK0]

= 0,1

±0.6

±1.25

±1.8

mV

VWAKE = VSRP – VSRN WAKE_CONTROL[WK1, WK0]

= 1,0

±1.2

±2.5

±3.6

mV

VWAKE = VSRP – VSRN WAKE_CONTROL[WK1, WK0]

= 1,1

±2.4

±5.0

±7.2

mV

VWAKE(DRIFT)

Temperature drift of

VWAKE accuracy

0.5%

°C

tWAKE

Time from application

of current to wake

0.25

0.5

ms

BQ28Z610-R1

SLUSE07B – JANUARY 2020 – REVISED JANUARY 2022

www.ti.com

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