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BQ24232HA Datasheet, PDF (5/36 Pages) Texas Instruments – USB-Friendly Lithium-Ion Battery Charger
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bq24232HA
SLUSCG4 – MAY 2016
6.4 Thermal Information
THERMAL METRIC(1)
bq24232HA
RGT (VQFN)
UNIT
16 PINS
RθJA
RθJC(top)
RθJB
ψJT
ψJB
RθJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
44.5
°C/W
54.2
°C/W
17.2
°C/W
1.0
°C/W
17.1
°C/W
3.8
°C/W
(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
over junction temperature range –5°C ≤ TJ ≤ 125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
INPUT
UVLO
Vhys(UVLO)
VIN(DT)
Vhys(INDT)
VOVP
Vhys(OVP)
Undervoltage lockout
Hysteresis on UVLO
Input power detection
threshold
Hysteresis on VIN(DT)
Input overvoltage protection
threshold
Hysteresis on OVP
ILIM, TEST ISET SHORT CIRCUIT
VIN: 0 V → 4 V
VIN: 4 V → 0 V
Input power detected when VIN > VBAT + VIN(DT)
VBAT = 3.6 V, VIN: 3.5 V → 4 V
VBAT = 3.6 V, VIN: 4 V → 3.5 V
('230) VIN: 5 V → 7 V
('232) VIN: 5 V → 11 V
('230) VIN: 7 V → 5V
('232) VIN: 11 V → 5 V
3.2
3.3
200
55
95
20
6.4
6.6
10.2
10.5
110
213
ISC
Current source
VIN > UVLO and VIN > VBAT+VIN(DT)
1.3
VSC
VIN > UVLO and VIN > VBAT+VIN(DT)
502
QUIESCENT CURRENT
IBAT(PDWN)
IIN(STDBY)
ICC
Sleep current into BAT pin
Standby current into IN pin
Active supply current, IN pin
CE = LO or HI, input power not
detected, no load on OUT pin
TJ= -5°C to 55°C
TJ= -5°C to 85°C
EN1= HI, EN2=HI, VIN = 6 V, TJ= 85°C
EN1= HI, EN2=HI, VIN = 10 V, TJ= 85°C
CE = LO, VIN = 6 V, no load on OUT pin,
VBAT > VBAT(REG), (EN1, EN2) ≠ (HI, HI)
MAX
3.4
300
152
6.8
10.8
6.5
9.5
50
200
1.5
UNIT
V
mV
mV
mV
V
mV
mA
mV
μA
μA
mA
Copyright © 2016, Texas Instruments Incorporated
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