BQ40Z50-R1 datasheet(8/56 Pages) TI2

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bq40z50-R1

SLUSCB3 – JULY 2015

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7.3 Recommended Operating Conditions

Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =

2.2 V to 26 V (unless otherwise noted)

MIN

NOM

MAX

UNIT

VCC

Supply voltage

BAT, VCC, PBI

2.2

VSHUTDOWN–

Shutdown voltage

VPACK < VSHUTDOWN–

1.8

2.0

2.2

VSHUTDOWN+

Start-up voltage

VPACK > VSHUTDOWN– + VHYS

2.05

2.25

2.45

Shutdown voltage

VHYS

VSHUTDOWN+ – VSHUTDOWN–

250

hysteresis

PACK, SMBC, SMBD, PRES, BTP_IN, DISP

TS1, TS2, TS3, TS4

VREG

PTC, PTCEN, LEDCNTLA, LEDCNTLB, LEDCNTLC

VBAT

SRP, SRN

–0.2

0.2

VIN

Input voltage range

VC4

VVC3

VVC3 + 5

VC3

VVC2

VVC2 + 5

VC2

VVC1

VVC1 + 5

VC1

VVSS

VVSS + 5

Output voltage

CHG, DSG, PCHG, FUSE

range

External PBI

CPBI

2.2

µF

capacitor

Operating

TOPR

–40

°C

temperature

7.4 Thermal Information

RSM (QFN)

THERMAL METRIC(1)

UNIT

32 PINS

RθJA, High K

Junction-to-ambient thermal resistance

47.4

RθJC(top)

Junction-to-case(top) thermal resistance

40.3

RθJB

Junction-to-board thermal resistance

14.7

°C/W

ψJT

Junction-to-top characterization parameter

0.8

ψJB

Junction-to-board characterization parameter

14.4

RθJC(bottom)

Junction-to-case(bottom) thermal resistance

3.8

(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: Supply Current

Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =

2.2 V to 20 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INORMAL

NORMAL mode

CHG on. DSG on, no Flash write

336

µA

CHG off, DSG on, no SBS communication

ISLEEP

SLEEP mode

µA

CHG off, DSG off, no SBS communication

ISHUTDOWN

SHUTDOWN mode

1.6

µA

7.6 Electrical Characteristics: Power Supply Control

Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =

2.2 V to 26 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

BAT to VCC

VSWITCHOVER–

switchover

VBAT < VSWITCHOVER–

1.95

2.1

2.2

voltage

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