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TPS65050RSMR Datasheet(PDF) 7 Page - Texas Instruments

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No. de pieza TPS65050RSMR
Descripción Electrónicos  6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT VOLTAGE LDOs
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS65050RSMR Datasheet(HTML) 7 Page - Texas Instruments

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PIN ASSIGNMENTS
DEFLDO3
EN_LDO4
TPS65052
EN_LDO3
RESET
DEFLDO4
VLDO4
VINLDO3/4
VLDO3
MODE
EN_DCDC1
EN_DCDC2
EN_LDO1
EN_LDO2
VINLDO1
VLDO1
DEFLDO1
DEFLDO3
EN_LDO4
TPS65050
EN_LDO3
PB_OUT
DEFLDO4
VLDO4
VINLDO3/4
VLDO3
MODE
EN_DCDC1
EN_DCDC2
EN_LDO1
EN_LDO2
VINLDO1
VLDO1
DEFLDO1
FB3
EN_LDO4
TPS65051
TPS65054
TPS65056
EN_LDO3
RESET
FB4
VLDO4
VINLDO3/4
VLDO3
MODE
EN_DCDC1
EN_DCDC2
EN_LDO1
EN_LDO2
VINLDO1
VLDO1
FB1
TPS65050, TPS65051, TPS65052
TPS65054, TPS65056
SLVS710 – JANUARY 2007
RSM PACKAGE
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
TPS65050
TPS65051
TPS65052
TPS65054
TPS65056
Power supply for digital and analog circuitry of DCDC1, DCDC2
VCC
3
3
3
3
3
I
and LDOs. This pin must be connected to the same voltage supply
as VINDCDC1/2.
Input to adjust output voltage of converter 1 between 0.6 V and VI.
FB_DCDC1
24
24
24
24
24
I
Connect external resistor divider between VOUT1, this pin, and
GND.
Select between Power Safe Mode and forced PWM Mode for
DCDC1 and DCDC2. In Power Safe Mode, PFM is used at light
MODE
32
32
32
32
32
I
loads, PWM for higher loads. If PIN is set to high level, forced
PWM Mode is selected. If Pin has low level, then the device
operates in Power Safe Mode.
Input voltage for VDCDC1 and VDCDC2 step-down converter.
VINDCDC1/2
21
21
21
21
21
I
This must be connected to the same voltage supply as VCC.
Feedback voltage sense input, connect directly to the output of
VDCDC2
18
18
18
18
18
I
converter 2.
TPS65050 and TPS65051: Feedback pin for converter 2. Connect
DEFDCDC2 to the center of the external resistor divider.
TPS65052 and TPS65056: Select pin of converter 2 output
DEFDCDC2
17
17
17
17
17
I
voltage.
High = 1.3 V, Low = 1 V
TPS65054: Select pin of converter 2 output voltage.
High = 1.05 V, Low = 1.3 V
L1
22
22
22
22
22
O
Switch pin of converter 1. Connected to Inductor .
7
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