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BQ24313DSGR Datasheet(PDF) 3 Page - Texas Instruments

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Part # BQ24313DSGR
Description  OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li CHARGER FRONT-END PROTECTION IC
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

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ELECTRICAL CHARACTERISTICS
bq24313
bq24315
www.ti.com............................................................................................................................................... SLUS817A – MARCH 2008 – REVISED NOVEMBER 2008
over junction temperature range –40°C to 125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IN
Undervoltage lock-out, input power
UVLO
CE = Low, VIN increasing from 0V to 3V
2.6
2.7
2.8
V
detected threshold
Vhys(UVLO)
Hysteresis on UVLO
CE = Low, VIN decreasing from 3V to 0V
200
260
300
mV
Deglitch time, input power detected
CE = Low. Time measured from VIN 0V → 5V 1µs
tDGL(PGOOD)
8
ms
status
rise-time, to output turning ON
CE = Low, No load on OUT pin,
IDD
Operating current
400
600
µA
VIN = 5V, R(ILIM) = 25kΩ
ISTDBY
Standby current
CE = High, VIN = 5V
65
95
µA
INPUT TO OUTPUT CHARACTERISTICS
VDO
Drop-out voltage IN to OUT
CE = Low, VIN = 5V, IOUT = 1A
170
280
mV
OUPUT VOLTAGE REGULATION
VO(REG)
Output voltage
CE = Low, VIN = 6.5V, IOUT = bq24313
5.67
5.85
6.03
V
1A
CE = Low, VIN = 5.7V, IOUT = bq24315
5.3
5.5
5.7
1A
INPUT OVERVOLTAGE PROTECTION
bq24313
10.2
10.5
10.8
CE = Low, VIN increasing
VOVP
Input overvoltage protection threshold
V
from 5V to 11V
bq24315
5.71
5.85
6.00
tPD(OVP)
Input OV propagation delay(1)
CE = Low
200
ns
Hysteresis on OVP
CE = Low, VIN decreasing
bq24313
60
120
180
Vhys(OVP)
mV
from 11V to 5V
bq24315
20
60
110
Recovery time from input overvoltage
CE = Low, Time measured from
tON(OVP)
8
ms
condition
VIN 7.5V → 5V, 1µs fall-time
INPUT OVERCURRENT PROTECTION
Input overcurrent protection threshold
IOCP
300
1500
mA
range
CE = Low, R(ILIM) = 24.9kΩ,
IOCP
Input overcurrent protection threshold
900
1000
1100
mA
3 V
≤ VIN < VOVP – Vhys(OVP)
Adjustable current limit factor
A
K(ILIM)
25
k
Blanking time, input overcurrent
tBLANK(OCP)
176
µs
detected
Recovery time from input overcurrent
tREC(OCP)
64
ms
condition
BATTERY OVERVOLTAGE PROTECTION
Battery overvoltage protection
BVOVP
CE = Low, VIN > 4.4V
4.30
4.35
4.4
V
threshold
Vhys(Bovp)
Hysteresis on BVOVP
CE = Low, VIN > 4.4V
200
275
320
mV
I(VBAT)
Input bias current on VBAT pin
V(VBAT) = 4.4V, TJ = 25°C
10
nA
Deglitch time, battery overvoltage
CE = Low, VIN > 4.4V. Time measured from V(VBAT)
tDGL(Bovp)
176
µs
detected
rising from 4.1V to 4.4V to FAULT going low.
THERMAL PROTECTION
TJ(OFF)
Thermal shutdown temperature
140
150
°C
TJ(OFF-HYS)
Thermal shutdown hysteresis
20
°C
LOGIC LEVELS ON CE
VIL
Low-level input voltage
0
0.4
V
VIH
High-level input voltage
1.4
V
IIL
Low-level input current
V(/CE) = 0V
1
µA
(1)
Not tested in production. Specified by design.
Copyright © 2008, Texas Instruments Incorporated
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