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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LM53601-Q1

現行

汽車 3.5-V 至 36-V、1-A 同步 2.1-MHz 降壓轉換器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
LMR50410-Q1 現行 符合車用資格的 SIMPLE SWITCHER 4-V 至 36-V、1-A 同步降壓轉換器 Higher output voltage range, SOT23 package

LM53601-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 3.5 Vin (max) (V) 42 Switching frequency (min) (kHz) 1890 Switching frequency (max) (kHz) 2400 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package EMI features Spread Spectrum Control mode current mode Vout (min) (V) 3.2 Vout (max) (V) 6 Iq (typ) (µA) 23 Duty cycle (max) (%) 98
Rating Automotive Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 3.5 Vin (max) (V) 42 Switching frequency (min) (kHz) 1890 Switching frequency (max) (kHz) 2400 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package EMI features Spread Spectrum Control mode current mode Vout (min) (V) 3.2 Vout (max) (V) 6 Iq (typ) (µA) 23 Duty cycle (max) (%) 98
WSON (DSX) 10 9 mm² 3 x 3
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM classification level 2
    • Device CDM classification level C5
  • –40°C to 150°C junction temperature range (available)
  • Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V)
  • Spread spectrum option available
  • 2.1-MHz fixed switching frequency
  • Low quiescent current: 23 µA
  • Shutdown current: 1.8 µA
  • Adjustable, 3.3-V, or 5-V output
  • Maximum current load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1
  • Pin-selectable forced PWM mode
  • RESET output with filter and delay release
  • External frequency synchronization
  • Internal compensation, soft start, current limit, and UVLO
  • 10-lead, 3-mm × 3-mm SON package with wettable and non-wettable flanks
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM classification level 2
    • Device CDM classification level C5
  • –40°C to 150°C junction temperature range (available)
  • Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V)
  • Spread spectrum option available
  • 2.1-MHz fixed switching frequency
  • Low quiescent current: 23 µA
  • Shutdown current: 1.8 µA
  • Adjustable, 3.3-V, or 5-V output
  • Maximum current load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1
  • Pin-selectable forced PWM mode
  • RESET output with filter and delay release
  • External frequency synchronization
  • Internal compensation, soft start, current limit, and UVLO
  • 10-lead, 3-mm × 3-mm SON package with wettable and non-wettable flanks

The LM53600-Q1 and LM53601-Q1 synchronous buck regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current up to 650 mA is supported by the LM53600-Q1, while the LM53601-Q1 supports up to 1000 mA. Advanced high-speed circuitry allows the LM53600-Q1 and LM53601-Q1 devices to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows the device to regulate a 3.3-V output from an input voltage of only 3.8 V. The input voltage range up to 36 V, with transient tolerance of up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delayed release, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transitions between PWM and PFM modes, along with a quiescent current of only 23 µA, ensures high efficiency and superior transient response at all loads. Few external components are needed allowing the generation of compact PCB layout. While the LM53600-Q1 and LM53601-Q1 devices are Q1 rated, electrical characteristics are ensured across a junction temperature range of –40°C up to 150°C.

The LM53600-Q1 and LM53601-Q1 synchronous buck regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current up to 650 mA is supported by the LM53600-Q1, while the LM53601-Q1 supports up to 1000 mA. Advanced high-speed circuitry allows the LM53600-Q1 and LM53601-Q1 devices to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows the device to regulate a 3.3-V output from an input voltage of only 3.8 V. The input voltage range up to 36 V, with transient tolerance of up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delayed release, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transitions between PWM and PFM modes, along with a quiescent current of only 23 µA, ensures high efficiency and superior transient response at all loads. Few external components are needed allowing the generation of compact PCB layout. While the LM53600-Q1 and LM53601-Q1 devices are Q1 rated, electrical characteristics are ensured across a junction temperature range of –40°C up to 150°C.
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類型 標題 日期
* Data sheet LM53600/01-Q1 0.65-A/1-A, 36-V Synchronous, 2.1-MHz Automotive Step-Down DC/DC Converter datasheet (Rev. D) PDF | HTML 2021年 5月 14日
Selection guide Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) 2021年 4月 15日
Selection guide Buck Converter Quick Reference Guide (Rev. B) 2021年 4月 8日
Technical article How to overcome size, EMI and thermal challenges of automotive LED lighting PDF | HTML 2018年 4月 9日
Application note Designing High Performance, Low-EMI, Automotive Power Supplies 2017年 9月 30日
Technical article The value of wettable flank-plated QFN packaging for automotive applications PDF | HTML 2016年 2月 3日
EVM User's guide LM53600MAEVM and LM53601MAEVM User's Guide 2015年 10月 15日
EVM User's guide LM53600NAEVM and LM53601LAEVM User's Guide 2015年 10月 15日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LM53601LAEVM — 具有展頻的 LM53601-Q1 5V 輸出、1000mA 降壓穩壓器評估模組

LM53601LAEVM Demonstrates the capabilities of the LM53601LQDSX Automotive Integrated Buck regulator. It features all the input necessary to configure and operate the device. The EVM has an EMI filter on the back side. The user can choose to bypass that filter using the available posts close to the (...)

使用指南: PDF
TI.com 無法提供
開發板

LM53601MAEVM — 具有展頻的 LM53601-Q1 可調整輸出、1000mA 降壓穩壓器評估模組

LM53601MAEVM Demonstrates the capabilities of the LM53601MQDSX Automotive Integrated Buck regulator. It features all the input necessary to configure and operate the device. The EVM has an EMI filter on the back side. The user can choose to bypass that filter using the available posts close to the (...)

使用指南: PDF
TI.com 無法提供
模擬型號

LM536013-Q1 PSpice Transient Model

SNAM187.ZIP (143 KB) - PSpice Model
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模擬型號

LM536013-Q1 Unencrypted PSpice Transient Model

SNAM186.ZIP (8 KB) - PSpice Model
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模擬型號

LM536015-Q1 PSpice Transient Model

SNAM188.ZIP (139 KB) - PSpice Model
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模擬型號

LM536015-Q1 Unencrypted PSpice Transient Model

SNAM189.ZIP (8 KB) - PSpice Model
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模擬型號

LM53601A-Q1 PSpice Unencrypted Transient Model (Rev. A)

SNAM190A.ZIP (313 KB) - PSpice Model
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參考設計

TIDA-01428 — 採用 CAN 離散式 SBC 的車用預降壓、後升壓參考設計

The TIDA-01428 reference design implements a 1-A, wide-VIN, buck converter to 3.3 V followed by a compact, low-input voltage, fixed 5-V boost converter for powering a controller area network (CAN) physical layer interface. The design has been tested for CISPR 25 radiated emissions and conducted (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-050029 — 適用於汽車照明的 45-W、15-W 雙 SEPIC LED 驅動器參考設計

This reference design showcases the TPS92682-Q1 dual-channel LED controller used in an automotive front lighting application with high beam (HB) and low beam (LB), daytime running light (DRL), and position (POS) light functionality. The design uses one TPS92682-Q1 device to implement a single-stage (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-01348 — 適用於車用 LED 照明系統的 CISPR 25 5 級 7.5W 額定功率尾燈參考設計

This reference design is for automotive tail-light applications. The design features TPS92638-Q1 linear LED driver powered by a synchronous buck converter (LM53601-Q1) that is directly supplied from the automotive-battery voltage. This design helps pass CISPR 25 Class 5 conduct emission (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00745 — 適用於車用車身控制模組的 15W 系統級電源參考設計

TIDA-00745 is a 14-W system-optimized (CISPR25 Class 4) SMPS design for an automotive body control module. All buck converters used in this design are switching at 2.1 MHz. 

The design is divided into four major blocks:

  1. EMI filter: Common mode and a differential filter for conducted EMI suppression
  2. (...)
Design guide: PDF
電路圖: PDF
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