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TPS7510X Datasheet(PDF) 5 Page - Texas Instruments

Part No. TPS7510X
Description  Low Dropout, Two-Bank LED Driver with PWM Brightness Control
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS7510X Datasheet(HTML) 5 Page - Texas Instruments

 
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PIN ASSIGNMENTS
A3
A2
A1
C3
C2
C1
B1
B3
B2
TPS7510xYFF
9-BallWCSP
(TopView)
TPS7510x
SBVS080C – SEPTEMBER 2006 – REVISED MARCH 2007
TERMINAL FUNCTIONS
INPUT/
NAME
WCSP
OUTPUT
DESCRIPTION
Enable pin, Bank A. Driving this pin high turns on the current source to Bank A outputs.
Driving this pin low turns off the current source to Bank A outputs. An applied PWM signal
reduces the LED current (between 0mA and the maximum current set by ISET) as a function
ENA
A3
I
of the duty cycle of the PWM signal. ENA and ENB can be tied together. ENA can be left
OPEN or connected to GND if not used. See the Application Information section for more
details.
D1A
B3
O
Diode source current output, Bank A. Connect to LED anode.
D2A
C3
O
Diode source current output, Bank A. Connect to LED anode.
Enable pin, Bank B. Driving this pin high turns on the current source to Bank B outputs.
Driving this pin low turns off the current source to Bank B outputs. An applied PWM signal
reduces the LED current (between 0mA and the maximum current set by ISET) as a function
ENB
A2
I
of the duty cycle of the PWM signal. ENA and ENB can be tied together. ENB can be left
OPEN or connected to GND if not used. See the Application Information section for more
details.
VIN
B2
I
Supply Input
GND
C2
Ground
An optional resistor can be connected between this pin and GND to set the maximum
ISET
A1
O
current through the LEDs. If no resistor is connected, ISET defaults to the
internally-programmed value.
D1B
B1
O
Diode source current output, Bank B. Connect to LED anode.
D2B
C1
O
Diode source current output, Bank B. Connect to LED anode.
5
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