2.2MHz Switching, Synchronous Split Supply Reference Design for 12V Battery with all Protections

(ACTIVE) PMP10651

Description & Features

Technical Documents

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Key Document

Description

PMP10651 is a low noise, multi-output SMPS design where LM53603 is used in Inverting Buck-Boost Fly buck topology to generate positive and negative supply needed in multiple noise sensitive applications such as powering High Speed Video Amplifier, RF amplifier, Precision Low noise amplifier etc.   The design accepts an input voltage of 7Vin to 15 Vin DC (from 12V Lead Acid Battery) and provides outputs of +12V@500mA, -12v@500mA, 5V @400mA and 3.3V@150mA. It features a small size and is an inexpensive and more efficient solution to using Flyback or Pushpull converters .

Features
  • High Frequency Bipolar Supply design using inexpensive coupled inductor
  • Weighted feedback for both the output to attain good regulation
  • Positive output can be lower than , in between or higher than Vin range
  • Low Vin Support for Single as well as Dual Li ion Battery support
  • LMZ integrated  module is used to generate 5V
  • High PSRR LDOs are used for Bipolar outputs

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Schematic/Block Diagram

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10651.1
(Output Voltage 1)
PMP10651.2
(Output Voltage 2)
PMP10651.3
(Output Voltage 3)
PMP10651.4
(Output Voltage 4)
Vin (Min) (V)9995
Vin (Max) (V)1515155
Vout (Nom) (V)-121253.3
Iout (Max) (A).5.5.3.15
Output Power (W)661.5.495
Isolated/Non-IsolatedNon-IsolatedNon-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDCDCDC
TopologyBuck- SynchronousFlybuckBoost- Integrated SwitchLinear Regulator

TI Devices (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM53602  2A, 3.5V-to-36V, Wide-Vin, Synchronous 2.1MHz Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM53602-Q1  3.5 to 36Vin, 2 Ampere Synchronous DC-DC Converter for Automotive Applications  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM53603  3A, 3.5V-to-36V, Wide-Vin, Synchronous 2.1MHz Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM53603-Q1  3.5 to 36Vin, 3 Ampere Synchronous DC-DC Converter for Automotive Applications  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LMZ21700  3V to 17V, 0.65A Step-Down DC/DC Power Module in 3.5mm × 3.5mm Package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
THS3001  420-MHz Current-Feedback Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TLVH431A  1% Accuracy Low-Voltage Wide-Operating Current Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
TPS717  150mA, High PSRR, Low Quiescent Current, Low Noise LDO  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A33  Vin -3V to -36V, -1A, Ultra-Low-Noise, High-PSRR, Low-Dropout Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A47  36V, 1A, 4.17μVRMS, RF Low-Dropout (LDO) Voltage Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM53602 Download
LM53602-Q1 Download
LM53603 Download
LM53603-Q1 Download
LMZ21700 uSiP (SIL)| 8 Download -
THS3001 Download Download
Download Download
TLVH431A Download Download
Download Download
Download -
Download Download
Download Download
TPS717 Download Download
Download Download
Download Download
TPS7A33 Download -
Download Download
TPS7A47 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 3588 10 Aug 2015 8
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 235 10 Aug 2015 8
PDF 25 10 Aug 2015 6
PDF 203 10 Aug 2015 16

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