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Texas Instruments LM25122 | Demoboard TIDA-01534
Automotive Off-battery Dual-phase Boost Converter Reference Design
Overview
| Topology | Boost Converter |
| Input voltage | 6-20 V |
| Output 1 | 12 V / 1.75 A |
| Output 2 | 12 V / 1.75 A |
| IC revision | A |
Description
This reference design is a high power, wide input voltage range circuit that uses synchronous boost controllers in a dual-phase configuration outputting four (4) switchable 12-V rails that each can supply up to 2.5 A with diagnostic features; plus a dual synchronous buck that generates two high current, lower voltage rails.
Features
- Wide input voltage range of 9V to 20V, support transient down to 6V and up to 36V
- Dual-phase high current synchronous boost controllers configuration with > 98% efficiency under typical operating conditions
- Dual high-current synchronous outputs: 5V, 3A nominal; 3.8V, 6.5A nominal
- Reverse battery protection with zero IQ smart diode controller
- Minimized AM radio band interference
Typical applications
- Voltage Conditioning Module
- Aftermarket Head Unit
More information
Products
| Order Code | Datasheet | Downloads | Status | Product series | Pins (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Pitch (mm) | Rows | H (mm) | Gender | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 61300211121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | 2 | – | – | – | Straight | – | 2.54 | Single | – | Pin Header | 3 | Bag | |
 | 691101710002 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | 2 | Wire Protector | PCB | Yes | Horizontal | 26 to 14 (AWG) 0.5 to 2.5 (mm²) | 5 | – | 12.6 | – | 16 | Box | |
 | 61300311121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | 3 | – | – | – | Straight | – | 2.54 | Single | – | Pin Header | 3 | Bag |
| Order Code | Datasheet | |
|---|---|---|
| 61300211121 | SPEC |
| 691101710002 | SPEC |
| 61300311121 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Status | Product series | Pins (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Pitch (mm) | Rows | H (mm) | Gender | IR (A) | Packaging | Samples |
|---|
