Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

TPS40322 Datasheet(PDF) 10 Page - Texas Instruments

Part # TPS40322
Description  Dual Output or Two-Phase Synchronous Buck Controller
Download  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS40322 Datasheet(HTML) 10 Page - Texas Instruments

Back Button TPS40322_15 Datasheet HTML 6Page - Texas Instruments TPS40322_15 Datasheet HTML 7Page - Texas Instruments TPS40322_15 Datasheet HTML 8Page - Texas Instruments TPS40322_15 Datasheet HTML 9Page - Texas Instruments TPS40322_15 Datasheet HTML 10Page - Texas Instruments TPS40322_15 Datasheet HTML 11Page - Texas Instruments TPS40322_15 Datasheet HTML 12Page - Texas Instruments TPS40322_15 Datasheet HTML 13Page - Texas Instruments TPS40322_15 Datasheet HTML 14Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 10 / 42 page
background image
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
SYNC
RT
EN1/SS1
FB1
COMP1
AGND
COMP2
FB2
TPS40322RHB
HDRV1
SW1
LDRV1
PGND1
BP6
PGND2
LDRV2
SW2
TPS40322
SLUSAF8D – JUNE 2011 – REVISED JANUARY 2014
www.ti.com
Table 1. PIN FUNCTIONS
NAME
PIN
I/O
DESCRIPTION
AGND
6
Low noise ground connection to the controller.
BOOT1 provides a bootstrapped supply for the high-side FET driver for channel 1 (CH1). Connect a
BOOT1
25
I
capacitor (0.1
μF typical) from BOOT1 to SW1 pin.
BOOT2 provides a bootstrapped supply for the high-side FET driver for channel 2 (CH2). Connect a
BOOT2
15
I
capacitor (0.1
μF typical) from BOOT2 to SW2 pin.
Output bypass for the internal regulator. Connect a low ESR bypass ceramic capacitor with a value of 3.3
BP6
20
O
μF or greater from this pin to the power ground plane.
COMP1
5
O
Output of the error amplifier 1 and connection node for loop feedback components.
COMP2
7
O
Output of the error amplifier 2 and connection node for loop feedback components.
CS1–
29
I
Negative terminal of current sense amplifier for CH1
CS1+
28
I
Positive terminal of current sense amplifier for CH1
CS2–
12
I
Negative terminal of current sense amplifier for CH2
CS2+
13
I
Positive terminal of current sense amplifier for CH2
Output of the differential amplifier. When the device is configured for dual channel mode, the DIFFO pin
DIFFO
9
O
must be either floating or tied to BP6
Logic level input which starts or stops CH1. Letting this pin float turns CH1 on. Pulling this pin low disables
CH1. This is also the soft-start programming pin. A capacitor connected from this pin to AGND programs
EN1/SS1
3
I
the soft-start time. The capacitor is charged with an internal current source of 10
μA. The resulting voltage
ramp of this pin is also used as a second non-inverting input to the error amplifier 1 after a 0.8 V (typical)
level shift downwards.
Logic level input which starts or stops CH2. Letting this pin float turns CH2 on. Pulling this pin low disables
CH2. This is also the soft-start programming pin. A capacitor connected from this pin to AGND programs
the soft-start time. The capacitor is charged with an internal current source of 10
μA. The resulting voltage
EN2/SS2/GSNS
10
I
ramp of this pin is also used as a second non-inverting input to the error amplifier 2 after a 0.8 V (typical)
level shift downwards. In two-phase mode, this pin becomes GSNS as the negative terminal of a remote
sense amplifier.
Inverting input to the error amplifier. During normal operation, the voltage on this pin is equal to the internal
FB1
4
I
reference voltage.
Inverting input to the error amplifier. During normal operation, the voltage on this pin is equal to the internal
FB2
8
I
reference voltage. Connecting the FB2 pin to the BP6 pin enables two-phase mode and disables the error
amplifier 2.
Bootstrapped gate drive output for the high-side N-channel MOSFET for CH1. A 2-
Ω resistor is
HDRV1
24
O
recommended for a noisy environment.
10
Submit Documentation Feedback
Copyright © 2011–2014, Texas Instruments Incorporated


Similar Part No. - TPS40322_15

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
TPS40322 TI1-TPS40322_16 Datasheet
1Mb / 47P
[Old version datasheet]   Dual Output or Two-Phase Synchronous Buck Controller
More results

Similar Description - TPS40322_15

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
TPS40322 TI1-TPS40322_16 Datasheet
1Mb / 47P
[Old version datasheet]   Dual Output or Two-Phase Synchronous Buck Controller
TPS40322 TI1-TPS40322 Datasheet
1,023Kb / 40P
[Old version datasheet]   Dual Output or Two-Phase Synchronous Buck Controller
TPS40422 TI1-TPS40422 Datasheet
965Kb / 54P
[Old version datasheet]   Dual-Output or Two-Phase Synchronous Buck Controller with PMBus
TPS40422 TI1-TPS40422_16 Datasheet
2Mb / 71P
[Old version datasheet]   Dual-Output or Two-Phase Synchronous Buck Controller with PMBus Interface
TPS5120-Q1 TI1-TPS5120-Q1 Datasheet
325Kb / 21P
[Old version datasheet]   DUAL OUTPUT, TWO-PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
TPS5120 TI1-TPS5120_16 Datasheet
840Kb / 23P
[Old version datasheet]   DUAL OUTPUT, TWO-PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
TPS5120 TI-TPS5120_15 Datasheet
858Kb / 24P
[Old version datasheet]   DUAL OUTPUT,TWO-PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
TPS5120-EP TI1-TPS5120-EP Datasheet
483Kb / 23P
[Old version datasheet]   DUAL OUTPUT, TWO-PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
TPS5120 TI-TPS5120 Datasheet
291Kb / 20P
[Old version datasheet]   DUAL OUTPUT, TWO PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
logo
Semtech Corporation
SC2443 SEMTECH-SC2443_08 Datasheet
1Mb / 22P
   Dual-Phase Single or Two Output Synchronous Step-Down Controller
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com