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Texas Instruments LM5140 | Demoboard PMP30267
Automotive Power Reference Design for Infotainment Systems
Overview
| Topology | Buck Converter |
| Input voltage | 10.5-40 V |
| Switching frequency | 400-2200 kHz |
| Output 1 | 3.3 V / 3 A |
| Output 2 | 7.5 V / 1.5 A |
| IC revision | C |
Description
LM5140 and LM5150 on the evaluation board.This reference design shows a complete power tree for automotive infotainment systems. The LM74700-Q1 provides reverse polarity protection to the system. The pre-booster with LM5150-Q1 provides a stable supply voltage of 10.5V during cranking for the dual-synchronous buck converter with LM5140-Q1, that provides an output voltage of 3.3V for a load current of 6.0A and an output voltage of 7.5V for a load current of 2.5A.
Features
- Automotive power system reference design
- Supports input voltage down to 3.2V
- Reverse polarity protection
- Small form factor
Typical applications
- Rear Seat Entertainment / Reconfigurable Digital Cluster / Hybrid Cluster with Active Graphics Support
More information
Products
| Order Code | Datasheet | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | Pins (Value) (pcs) | Rows | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691411510002 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 4115 - 5.08 mm Screwless Horizontal Entry | Screwless | PCB | No | 16 to 30 (AWG) 1.31 to 0.0509 (mm²) | 2 | – | – | Horizontal | 10 | Box | |
 | 61300211121 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | 2 | Single | Pin Header | Straight | 3 | Bag | |
 | 61300311121 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | 3 | Single | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | |
|---|---|---|
| 691411510002 | SPEC |
| 61300211121 | SPEC |
| 61300311121 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | Pins (Value) (pcs) | Rows | Gender | Type | IR (A) | Packaging | Samples |
|---|