TPS650362-Q1 - Automotive 35V PMIC | Texas Instruments
MPN： TPS650362-Q1 ✓ 啟用中TPS650362-Q1 概覽
A PMIC (Power Management IC) is a form of integrated circuit that manages the power requirements of a host system, providing multiple regulated voltages from a single input source. The TPS650362-Q1 fits into the power management hierarchy as a highly integrated PMIC → automotive power management IC → automotive semiconductor, consolidating multiple discrete regulators into one solution to reduce board space, cost, and system complexity.
Key features include three independent buck converters for high-efficiency step-down conversion, one LDO for noise-sensitive analog rails, and an input voltage capability of 35V on BUCK1. The device's ASIL-B capability supports functional safety requirements in automotive safety-critical systems. Its integrated architecture reduces external component count and enables a compact camera module design.
In terms of technical depth, the TPS650362-Q1 utilizes TI's advanced process technology to combine high-voltage input capabilities with efficient switching converters. The buck converters likely operate at high switching frequencies to minimize magnetic component sizes, while the LDO provides low-noise output for sensitive analog circuits. The device is designed to meet stringent automotive reliability standards.
Typical applications for the TPS650362-Q1 include automotive camera modules, radar systems, and MCU power supplies. Its 35V input capability allows direct connection to filtered 12V automotive power, while ASIL-B qualification makes it suitable for safety-relevant functions.
When designing with this PMIC, ensure proper input decoupling for the high-voltage buck converter and follow recommended layout practices to minimize switching noise. Verify the complete pinout and package specifications from the official datasheet before production.
直接替換替代品，適用於 TPS650362-Q1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此產品無可直接替換的替代品。
申請替代品TPS650362-Q1 最大額定值與電氣特性
| Input Voltage (BUCK1) | Up to 35 V |
| Number of Step-Down Converters | 3 |
| Number of LDO Regulators | 1 |
| Automotive Qualification | Yes (Q1) |
| Functional Safety | ASIL-B |
| Target Applications | Automotive camera, radar, MCU power |
TPS650362-Q1 standard 腳位配置指南
TPS650362-Q1（standard 封裝）的腳位配置。 此功率元件具有閘極、汲極與源極端子。對於非極性封裝，請參閱製造商資料表以取得確切的第 1 腳方向與佈局詳細資訊。常見應用包括電源設計、馬達驅動與負載切換。
無詳細腳位定義資料： TPS650362-Q1.
請參閱 資料表 以查看完整腳位配置。
典型應用
TPS650362-Q1 適用於 6 應用s: Automotive Camera Modules, Radar Systems, MCU Power Supply, ADAS ECUs, Automotive Sensor Fusion, Infotainment Systems.
Automotive Camera Modules
The TPS650362-Q1 is ideally suited for automotive camera modules, providing three buck converters and one LDO to power the image sensor, ISP, and interface circuits. Its BUCK1 input can handle up to 35V from the automotive battery, and the ASIL-B qualification ensures safe operation in ADAS cameras.
推薦
Radar Systems
For automotive radar modules, the TPS650362-Q1 supplies multiple regulated rails from a 35V input. The three buck converters provide high-efficiency power for radar RF front-ends, while the LDO offers low-noise output for signal-chain electronics. ASIL-B qualification supports safety-critical radar applications.
推薦
MCU Power Supply
The TPS650362-Q1 is designed to power automotive MCUs, supplying core, I/O, and analog rails from a single 35V input. Three buck converters deliver efficient step-down conversion, while the LDO provides a noise-sensitive rail for analog peripherals. Its integrated solution reduces system complexity.
推薦
ADAS ECUs
In ADAS ECUs, the TPS650362-Q1 powers multiple processing units and sensors. Its three buck converters generate core, I/O, and peripheral voltages, while the LDO supports sensitive analog interfaces. The 35V BUCK1 input accommodates automotive power transients, and ASIL-B qualification enables safety-critical ADAS functionality.
推薦
Automotive Sensor Fusion
The TPS650362-Q1 supports automotive sensor fusion by powering multiple sensors and the fusion MCU. Its three buck converters provide efficient power for sensor front-ends, while the LDO supplies clean analog rails. The 35V input and ASIL-B rating make it suitable for sensor fusion in ADAS and autonomous driving.
推薦
Infotainment Systems
Although primarily for camera and radar, the TPS650362-Q1 can also be used in infotainment systems where multiple regulated rails are needed. Its three buck converters power the processor and display drivers, and the LDO provides a low-noise supply for audio codecs. The 35V input supports automotive battery systems.
推薦
推薦產品摘要
工程參考資料，適用於 TPS650362-Q1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | TPS6522x-Q1 | LP8772x-Q1 | TPS65386x-Q1 | TPS659039-Q1 | MAX20046 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Typical Application | Camera/Radar/MCU | Automotive | Automotive | MCU/ADAS | Processor/ADAS | Camera |
主要差異化特點
- Three buck converters + one LDO in a single IC (對比discrete solutions)
- 35V input on BUCK1 (對比typical 5V PMICs)
- ASIL-B functional safety (對比non-safety PMICs)
設計說明
For the TPS650362-Q1, place a 10uF or larger ceramic capacitor with a 50V rating close to the BUCK1 input to handle 35V transients. Also add a 0.1uF capacitor to suppress high-frequency noise. Ensure adequate bulk capacitance on the battery rail.
The PMIC handles multiple regulators, so consider thermal dissipation. Use a 2oz copper pour on the PCB and via stitching to the ground plane to keep junction temperatures low in automotive environments. Verify operating junction temperature limits from the datasheet.
Verify the power sequencing requirements for the three buck converters and LDO. Some MCUs require specific rail order. Consult the datasheet for the recommended start-up sequence to avoid latch-up. Ensure proper decoupling on all outputs.
合規資訊
AEC-Q100 qualification inferred from Q1 suffix in MPN; verify in datasheet.