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BQ25015RHLR Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ25015RHLR
Description  SINGLE-CHIP CHARGER AND DC/DC CONVERTER IC FOR PORTABLE APPLICATIONS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ25015RHLR Datasheet(HTML) 8 Page - Texas Instruments

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DEVICE INFORMATION
SW
VSS
BAT/OUT
BAT/OUT
USB
STAT1
STAT2
VSS
bq25015,bq25017
RHLPACKAGE
(TOPVIEW)
FB
VSS
EN
AC
CE
PG
ISET2
ISET1
20
1
10
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
bq25015
bq25017
SLUS721A – DECEMBER 2006 – REVISED MARCH 2007
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
AC
5
I
Charge input voltage from AC adapter, connect 10
µF capacitor to ground
BAT/OUT
16
I/O
Charge current output
BAT/OUT
17
I
Battery input to DC-DC converter
CE
15
I
Charge enable input (active low)
EN
4
I
Enable input for DC-DC converter; EN=HIGH for device enable
Feedback pin for DC-DC converter; connect to voltage divider for bq25015,
FB
2
I
or connect to system OUT voltage for bq25017
PWM control input for the DC-DC converter. A high on FPWM = forced PWM mode. A low = power save
FPWM
20
I
mode.
ISET1
12
I
Charge current set point for AC input and precharge and taper set point for both AC and USB
ISET2
13
I
Charge current set point for USB port (High = 500 mA, Low = 100 mA, High-Z = disable USB charge)
NC
1, 10, 11
No connect. These pins must be left floating.
PG
14
O
Power good status output (active low, open-drain)
STAT1
7
O
Charge status output 1 (open-drain)
STAT2
8
O
Charge status output 2 (open-drain)
SW
19
O
Phase node of the DC/DC converter; connect series inductor and capacitor to ground
USB
6
I
Charge input voltage from USB adapter; connect to 10
µF capacitor to ground
Ground Input. Also note that there is an internal electrical connection between the exposed thermal pad
and VSS pins of the device. The exposed thermal pad must be connected to the same potential as the
VSS
3, 9, 18
Vss pin on the printed circuit board. Do not use the thermal pad as the primary ground input for the
device. All VSS pins must be connected to ground at all times.
8
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