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BQ24109RHLTG4 Datasheet(PDF) 3 Page - Texas Instruments

Part # BQ24109RHLTG4
Description  SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs (bqSWITCHER??
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24109RHLTG4 Datasheet(HTML) 3 Page - Texas Instruments

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PACKAGE DISSIPATION RATINGS
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
V
IREG +
1V
RSET1
1000,
bq24100
,, bq24103,, bq24103A
bq24104, bq24105, bq24108, bq24109
bq24113, bq24113A, bq24115
www.ti.com .................................................................................................................................................. SLUS606N – JUNE 2004 – REVISED NOVEMBER 2008
TA < 40°C
DERATING FACTOR
PACKAGE
θ
JA
θ
JC
POWER RATING
ABOVE TA = 40°C
RHL(1)
46.87°C/W
2.5°C/W
1.81 W
0.021 W/°C
(1)
This data is based on using the JEDEC High-K board, and the exposed die pad is connected to a copper pad on the board. This is
connected to the ground plane by a 2x3 via matrix.
MIN
NOM
MAX
UNIT
Supply voltage, VCC and IN (Tie together)
4.35(1)
16(2)
V
Operating junction temperature range, TJ
–40
125
°C
(1)
The IC continues to operate below Vmin, to 3.5 V, but the specifications are not tested and not specified.
(2)
The inherent switching noise voltage spikes should not exceed the absolute maximum rating on either the IN or OUT pins. A tight layout
minimizes switching noise.
TJ = 0°C to 125°C and recommended supply voltage range (unless otherwise stated)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT CURRENTS
VCC > VCC(min), PWM switching
10
mA
I(VCC)
VCC supply current
VCC > VCC(min), PWM NOT switching
5
VCC > VCC(min), CE = HIGH
315
µA
0°C
≤ TJ ≤ 65°C, VI(BAT) = 4.2 V,
3.5
VCC < V(SLP) or VCC > V(SLP) but not in charge
Battery discharge sleep current, (SNS,
0°C
≤ TJ ≤ 65°C, VI(BAT) = 8.4 V,
I(SLP)
5.5
µA
BAT, OUT, FB pins)
VCC < V(SLP) or VCC > V(SLP) but not in charge
0°C
≤ TJ ≤ 65°C, VI(BAT) = 12.6 V,
7.7
VCC < V(SLP) or VCC > V(SLP) but not in charge
VOLTAGE REGULATION
CELLS = Low, in voltage regulation
4.2
Output voltage, bq24103/03A/04/13/13A
VOREG
CELLS = High, in voltage regulation
8.4
V
Output voltage, bq24100/08/09
Operating in voltage regulation
4.2
Feedback regulation REF for bq24105/15
VIBAT
IIBAT = 25 nA typical into pin
2.1
V
only (W/FB)
TA = 25°C
–0.5%
0.5%
Voltage regulation accuracy
–1%
1%
CURRENT REGULATION - FAST CHARGE
VLOWV ≤ VI(BAT) < VOREG,
IOCHARGE
Output current range of converter
150
2000
mA
V(VCC) - VI(BAT) > V(DO-MAX)
100 mV
≤ VIREG≤ 200 mV,
VIREG
Voltage regulated across R(SNS) Accuracy
–10%
10%
Programmed Where
5 k
Ω ≤ RSET1 ≤ 10 kΩ, Select RSET1 to
program VIREG,
VIREG(measured) = IOCHARGE + RSNS
(–10% to 10% excludes errors due to RSET1
and R(SNS) tolerances)
V(LOWV) ≤ VI(BAT) ≤ VO(REG),
V(ISET1)
Output current set voltage
1
V
V(VCC) ≤ VI(BAT) × V(DO-MAX)
VLOWV ≤ VI(BAT) < VO(REG) ,
K(ISET1)
Output current set factor
1000
V/A
V(VCC) ≤ VI(BAT) + V(DO-MAX)
PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION
Precharge to fast-charge transition voltage
VLOWV
threshold, BAT,
68
71.4
75
%VO(REG)
bq24100/03/03A/04/05/08/09 ICs only
Copyright © 2004–2008, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Link(s): bq24100 bq24103 bq24103A bq24104 bq24105 bq24108 bq24109 bq24113 bq24113A
bq24115


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