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TPS65050 Datasheet(PDF) 8 Page - Texas Instruments

Part # TPS65050
Description  6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT VOLTAGE LDOs
PDF  41 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS65050 Datasheet(HTML) 8 Page - Texas Instruments

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TPS65050, TPS65051, TPS65052
TPS65054, TPS65056
SLVS710 – JANUARY 2007
TERMINAL FUNCTIONS (continued)
TERMINAL
I/O
DESCRIPTION
NAME
TPS65050
TPS65051
TPS65052
TPS65054
TPS65056
PGND1
23
23
23
23
23
I
GND for converter 1
PGND2
19
19
19
19
19
I
GND for converter 2
AGND
2
2
2
2
2
I
Analog GND, connect to PGND and PowerPad™
L2
20
20
20
20
20
O
Switch Pin of converter 2. Connected to Inductor.
EN_DCDC1
25
25
25
25
25
I
Enable Input for converter 1, active high
EN_DCDC2
26
26
26
26
26
I
Enable Input for converter 2, active high
VINLDO1
29
29
29
29
29
I
Input voltage for LDO1
VINLDO2
4
4
4
4
4
I
Input voltage for LDO2
VINLDO3/4
11
11
11
11
11
I
Input voltage for LDO3 and LDO4
VLDO1
30
30
30
30
30
O
Output voltage of LDO1
VLDO2
5
5
5
5
5
O
Output voltage of LDO2
VLDO3
10
10
10
10
10
O
Output voltage of LDO3
VLDO4
12
12
12
12
12
O
Output voltage of LDO4
Digital input, used to set the default output voltage of LDO1 to
DEFLDO1
31
--
31
--
--
I
LDO4; LSB
FB1
--
31
--
31
31
I
Feedback input for the external voltage divider.
Digital input, used to set the default output voltage of LDO1 to
DEFLDO2
6
--
6
--
--
I
LDO4.
FB2
--
6
--
6
6
I
Feedback input for the external voltage divider.
Digital input, used to set the default output voltage of LDO1 to
DEFLDO3
9
--
9
--
--
I
LDO4.
FB3
--
9
--
9
9
I
Feedback input for the external voltage divider.
Digital input, used to set the default output voltage of LDO1 to
DEFLDO4
13
--
13
--
--
I
LDO4; MSB
FB4
--
13
--
13
13
I
Feedback input for the external voltage divider.
Enable input for LDO1. Logic high enables the LDO, logic low
EN_LDO1
27
27
27
27
27
I
disables the LDO.
Enable input for LDO2. Logic high enables the LDO, logic low
EN_LDO2
28
28
28
28
28
I
disables the LDO.
Enable input for LDO3. Logic high enables the LDO, logic low
EN_LDO3
15
15
15
15
15
I
disables the LDO.
Enable input for LDO4. Logic high enables the LDO, logic low
EN_LDO4
16
16
16
16
16
I
disables the LDO.
THRESHOLD
--
7
7
7
7
I
Reset input
PB_IN
7
--
--
--
--
I
Input for the pushbutton ON-OFF function
HYSTERESIS
--
8
8
8
8
I
Input for hysteresis on reset threshold
GND
8
--
--
--
--
-
Connect to GND
RESET
--
14
14
14
14
O
Open drain active low reset output, 100 ms reset delay time.
Open drain output. Active low after the supply voltage (VCC)
PB_OUT
14
--
--
--
--
O
exceeded the undervoltage lockout threshold. The pin can be
toggled pulling PB_IN high.
BP
1
1
1
1
1
I
Input for bypass capacitor for internal reference.
PowerPAD™
--
--
--
--
--
Connect to GND
8
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