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Introduction

3

SLVUAY0 – November 2016

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Copyright © 2016, Texas Instruments Incorporated

TPS65132S Evaluation Module

1.3

Features

Efficiency greater than 85% at I

O

> 10 mA

Input voltage range of 2.5 V to 5.5 V

Positive output voltage range of 4.0 V to 6.0 V (0.1-V steps)

Negative output voltage range of –4.0 V to –6.0 V (0.1-V steps)

Output voltage accuracy of better than 1%

Programmable active discharge during shutdown

Programmable power-up and power-down sequencing

Excellent line regulation

Advanced power-save mode for light-load efficiency

Thermal shutdown

Four-layer PCB with all components on top side

2

Electrical Specifications

Table 1

gives an overview of the electrical specifications of the TPS65132S EVM.

(1)

I

O

means that the load is connected from V

POS

to V

NEG

.

Table 1. Electrical Specifications

Parameter

Notes and Conditions

MIN

TYP

MAX

Unit

Input Characteristics

V

IN

Input voltage

2.5

5.5

V

Input current

V

IN

= 3.7 V, I

POS

= I

NEG

= 150 mA

275

mA

V

IN

= 3.7 V, I

POS

= I

NEG

= 0 mA

0.1

2

mA

Output Characteristics

V

POS

Default positive output voltage V

IN

= 3.7 V, I

POS

= 150 mA

5.35

5.4

5.45

V

Δ

V

POS(

Δ

VIN)

Line regulation (V

POS

)

V

IN

= 2.5 V to 5.5 V, I

POS

= 150 mA

5

mV

Δ

V

POS(

Δ

IO)

Load regulation (V

POS

)

I

POS

= 10 mA to 150 mA, V

I

= 3.7 V

–16

mV

V

POS(PP)

Output voltage ripple (V

POS

)

V

IN

= 3.7 V, I

O

= 150 mA

(1)

5

mV

V

NEG

Default negative output
voltage

V

IN

= 3.7 V, I

NEG

= 150 mA

–5.45

–5.4

–5.35

V

Δ

V

NEG(

Δ

VIN)

Line regulation (V

NEG

)

V

IN

= 2.5 V to 5.5 V, I

O

= 150 mA

(1)

9

mV

Δ

V

NEG(

Δ

IO)

Load regulation (V

NEG

)

I

NEG

= 10 mA to 150 mA, V

IN

= 3.7 V

–88

mV

V

NEG(PP)

Output voltage ripple NEG

V

IN

= 3.7 V, I

O

= 150 mA

(1)

50

mV

System Characteristics

Switching frequency

1.6

MHz

Peak efficiency

V

IN

= 3.7 V

89%

Summary of Contents for TPS65132S

Page 1: ...Points 5 5 Setup 6 6 Software Operation 9 7 PCB Layout 14 8 List of Materials 17 List of Figures 1 Schematic 4 2 Hardware Setup Full Functionality 6 3 Hardware Setup Simplified 6 4 Two Terminal Power...

Page 2: ...t and output voltage sense terminals for making accurate four terminal voltage measurements 1 1 Recommended Equipment In addition to the contents of the EVM box some or all of the equipment described...

Page 3: ...the TPS65132S EVM 1 IO means that the load is connected from VPOS to VNEG Table 1 Electrical Specifications Parameter Notes and Conditions MIN TYP MAX Unit Input Characteristics VIN Input voltage 2 5...

Page 4: ...1 2 3 JP2 1 2 3 JP1 AGND D2 CFLY1 C3 CFLY2 A3 SYNC A1 EN B1 OUTP E3 OUTN A2 PGND B3 PGND E1 REG D3 REG E2 SCL B2 SDA C2 SW D1 VIN C1 U1 TPS65132SYFF CFLY2 4 7 F C2 10 F C3 10 F C5 2 2 H L1 Copyright 2...

Page 5: ...he negative output and ground Figure 6 or between the positive and negative outputs Figure 7 S 3 Negative Output Sense GND 4 5 6 Ground J4 I2 C Bus SCL 9 Clock Use the 10 way ribbon cable supplied wit...

Page 6: ...o any other configuration settings are needed use the simplified set up shown in Figure 3 If using the simplified setup the TPS65132S device starts up with the register settings stored in its EEPROM t...

Page 7: ...dback Copyright 2016 Texas Instruments Incorporated TPS65132S Evaluation Module Figure 4 Two Terminal Power Supply Connection W H I T E S P A C E Figure 5 Four Terminal Power Supply Connection W H I T...

Page 8: ...ee Figure 2 To download the latest version of the EVM software Go to the TPS65132 product folder on the TI Web site http www ti com product tps65132 toolssoftware Download the software zip file Unzip...

Page 9: ...arts select the device you want to evaluate from the drop down menu and then click on OK refer to Figure 9 W H I T E S P A C E Figure 9 Device Selection Window After selecting the device variant and c...

Page 10: ...the pullup resistors if they are not needed Check the Pullups checkbox if using the I2 C pullup resistors in the USB2ANY interface adapter refer to Figure 11 This is the most common setting Uncheck th...

Page 11: ...age or hexadecimal entry boxes the software rounds that entry down to the nearest correct value If a value below the minimum output voltage is entered the software uses the minimum value Use the Vpos...

Page 12: ...which data the window shows Click on Write to program the registers in the TPS65132S device with the contents shown in the GUI window Click on Write Modified to program only the selected register in t...

Page 13: ...software when one of the previous conditions is true an error message like the one shown in Figure 14 displays Clicking on Continue in Demo Mode operates the software as if an EVM were connected but...

Page 14: ...ircuit board PCB The EVM has been designed using a four layer 35 m 1 oz copper clad circuit board All components are on the top side and all signal traces on the top and bottom layers allow the user t...

Page 15: ...CB Layout 15 SLVUAY0 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS65132S Evaluation Module Figure 17 PCB Inner Layer 1 Top View Figure 18 PCB Inner Laye...

Page 16: ...PCB Layout www ti com 16 SLVUAY0 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS65132S Evaluation Module Figure 19 PCB Bottom Layer Bottom View...

Page 17: ...age Reference Part Number Manufacturer C1 C2 C4 3 4 7uF CAP CERM 4 7 F 16 V 10 X5R 0603 0603 GRM188R61C475KAAJ Murata C3 1 10uF CAP CERM 10 F 25 V 20 X5R 0603 0603 GRM188R61E106MA73D Murata C5 1 10uF...

Page 18: ...are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasona...

Page 19: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 20: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 21: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 22: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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