bq26221

SLUS607 − MAY 2004

3

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dc electrical characteristics over recommended operating temperature and supply voltage (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ICC(OP)

Supply current

VCC = 4.3 V, flash programming not active

30

37

A

I(SLEEP)

Sleep current

VCC = 4.3 V, flash programming not active

1

5

µA

I(HIBERNATE) Hibernate current

0 < VCC < VPOR

600

nA

ICC(PROG)

Flash programming supply current

VCC = 5.5

21

30

mA

ICC(ERASE) Flash erase supply current

VCC = 5.5

21

30

mA

I(RBI)

Register back-up current

RBI pin only,

1.2 V< VCC < V(POR)

25

nA

IOL

Digital output low sink current, GPIO

and HDQ pins

VOL = 0.4 V

1

mA

VIL

Digital input low, GPIO and HDQ pins

0.7

VIH

Digital input high, GPIO and HDQ pins

VCC < 4.2 V

1.7

V

VIH

Digital input high, GPIO and HDQ pins

VCC > 4.2 V

1.9

V

RBAT

BAT input impedance

10

M

RSR

SRP, SRN input impedance

10

M

Ω

timer characteristics over recommended operating temperature and supply voltage (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

E(TMR)

Timer accuracy error

−4%

4%

temperature register characteristics over recommended operating temperature and supply

voltage (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

T(RES)

Reported temperature resolution

0.25

E(T)

Reported temperature

accuracy

BQ26221PW

TSSOP package

−4

4

_K

voltage ADC specification, over recommended operating temperature and supply voltage, (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Least significant bit (LSB)(1)

2.6 V

≤ VBAT ≤ 4.5 V

2.44

mV

Integral nonlinearity (INL)

2.6 V

≤ VBAT ≤ 4.5 V, Vcc=VBAT

−4

+4

LSB

Differential nonlinearity (DNL)

2.6 V

≤ VBAT ≤ 4.5 V, Vcc=VBAT

−1

+1

LSB

Offset error

2.6 V

≤ VBAT ≤ 4.5 V, Vcc=VBAT

−3

+14

LSB

Maximum error

2.6 V

≤ VBAT ≤ 4.5 V, Vcc=VBAT

−9

+15

LSB

NOTE 1. For a more detailed explantion of parameters refer to the application note, Understanding Data Converters, TI Literature No. SLAA013.

Not Recommended For New Designs