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AC/DC & DC/DC converters (integrated FET)

LM53602-Q1

現行

適用汽車應用的 3.5 至 36Vin、2 安培同步 DC-DC 轉換器

立即訂購
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產品不同
最新 LMQ66420-Q1 現行 具 1.5-µA IQ 的車用 36-V、2-A 低 EMI 同步降壓轉換器 Smaller footprint, lower EMI with dual-random spread spectrum and lower IQ.
LMQ66430-Q1 現行 具 1.5-µA IQ 的汽車 36V、3-A、低 EMI 同步降壓轉換器 Smaller footprint, lower EMI with dual-random spread spectrum and lower IQ.

LM53602-Q1

現行
產品規格表 立即訂購

產品詳細資料

Iout (max) (A) 2 Vin (min) (V) 3.5 Vin (max) (V) 42 Topology Buck Type Converter Switching frequency (min) (kHz) 1850 Switching frequency (max) (kHz) 2350 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification Control mode current mode Vout (min) (V) 3.2 Vout (max) (V) 9.9 Rating Automotive Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000023
Iout (max) (A) 2 Vin (min) (V) 3.5 Vin (max) (V) 42 Topology Buck Type Converter Switching frequency (min) (kHz) 1850 Switching frequency (max) (kHz) 2350 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification Control mode current mode Vout (min) (V) 3.2 Vout (max) (V) 9.9 Rating Automotive Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000023
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • The LM53603-Q1, LM53602-Q1 are available as
    AEC-Q1-Qualified Automotive Grade Products
    With Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
      Ambient Operating Range
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C4B
  • 3 A or 2 A maximum load current
  • Input Voltage Range from 3.5 V to 36 V:
    Transients to 42 V
  • Output Voltage Options: 5 V, 3.3 V, ADJ
  • 2.1 MHz Fixed Switching Frequency
  • ±2% Output Voltage Tolerance
  • –40°C to 150°C Junction Temperature Range
  • 1.7 µA Shutdown Current (typical)
  • 24 µA Input Supply Current at No Load (typical)
  • No external Feed-back Divider Required for 5 V or
    3.3 V output
  • Reset Output With Filter and Delay
  • Automatic Light Load Mode for Improved
    Efficiency
  • User-Selectable Forced PWM mode (FPWM)
  • Built-in Loop Compensation, Soft-start, Current
    Limit, Thermal Shutdown, UVLO, and External
    Frequency Synchronization
  • Thermally Enhanced 16-lead Package:
    5 mm × 4.4 mm × 1 mm
  • The LM53603-Q1, LM53602-Q1 are available as
    AEC-Q1-Qualified Automotive Grade Products
    With Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
      Ambient Operating Range
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C4B
  • 3 A or 2 A maximum load current
  • Input Voltage Range from 3.5 V to 36 V:
    Transients to 42 V
  • Output Voltage Options: 5 V, 3.3 V, ADJ
  • 2.1 MHz Fixed Switching Frequency
  • ±2% Output Voltage Tolerance
  • –40°C to 150°C Junction Temperature Range
  • 1.7 µA Shutdown Current (typical)
  • 24 µA Input Supply Current at No Load (typical)
  • No external Feed-back Divider Required for 5 V or
    3.3 V output
  • Reset Output With Filter and Delay
  • Automatic Light Load Mode for Improved
    Efficiency
  • User-Selectable Forced PWM mode (FPWM)
  • Built-in Loop Compensation, Soft-start, Current
    Limit, Thermal Shutdown, UVLO, and External
    Frequency Synchronization
  • Thermally Enhanced 16-lead Package:
    5 mm × 4.4 mm × 1 mm

The LM53603-Q1, LM53602-Q1 buck regulators are specifically designed for automotive applications, providing an output voltage of 5 V or 3.3 V (with ADJ option) at 3 A or 2 A, from an input voltage of up to 36 V. Advanced high-speed circuitry allows the device to regulate from an input of up to 20 V, while providing an output of 5 V at a switching frequency of 2.1 MHz. The innovative architecture allows the device to regulate a 3.3 V output from an input voltage of only 3.5 V. All aspects of this product are optimized for the automotive customer. An input voltage range up to 36 V, with transient tolerance up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delay, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transition between PWM and PFM modes, along with a no-load operating current of only 24 µA, ensures high efficiency and superior transient response at all loads.

The LM53603-Q1, LM53602-Q1 buck regulators are specifically designed for automotive applications, providing an output voltage of 5 V or 3.3 V (with ADJ option) at 3 A or 2 A, from an input voltage of up to 36 V. Advanced high-speed circuitry allows the device to regulate from an input of up to 20 V, while providing an output of 5 V at a switching frequency of 2.1 MHz. The innovative architecture allows the device to regulate a 3.3 V output from an input voltage of only 3.5 V. All aspects of this product are optimized for the automotive customer. An input voltage range up to 36 V, with transient tolerance up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delay, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transition between PWM and PFM modes, along with a no-load operating current of only 24 µA, ensures high efficiency and superior transient response at all loads.
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技術文件

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類型 標題 日期
* Data sheet LM53603-Q1 (3 A), LM53602-Q1 (2 A) 3.5 V to 36 V Wide-VIN Synchronous 2.1 MHz Step-Down Converters for Automotive Applications datasheet (Rev. B) PDF | HTML 2016年 5月 12日
Application note Design Consideration on Boot Resistor in Buck Converter PDF | HTML 2023年 5月 15日
User guide Single LP8733-Q1 User's Guide to Power DRA78x and TDA3 (Rev. A) PDF | HTML 2021年 3月 31日
Application note Designing High Performance, Low-EMI, Automotive Power Supplies 2017年 9月 30日
EVM User's guide LM53602xEVM and LM53603xEVM User’s Guide (Rev. A) 2016年 5月 23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

LM536035EVM — LM536035 5V 固定輸出、3A 降壓穩壓器評估模組

This EVM demonstrates the capabilities of the LM53603 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 converter.

使用指南: PDF
TI.com 無法提供
開發板

LM53603AEVM — LM53603-Q1 可調整輸出 3A 降壓穩壓器評估模組 (EVM)

The LM53603AEVM demonstrates the capabilities of the LM53603 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

LM53602 3P3 PSpice Unencrypted Transient Model (Rev. A)

SNVMA57A.ZIP (100 KB) - PSpice Model
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模擬型號

LM53602 5P0 PSpice Unencrypted Transient Model (Rev. A)

SNVMA58A.ZIP (98 KB) - PSpice Model
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模擬型號

LM53602 Adjustable PSpice Transient Model

SNVMA59.ZIP (63 KB) - PSpice Model
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模擬型號

LM53602 Unencrypted Adjustable PSpice Transient Model

SNVMAC1.ZIP (7 KB) - PSpice Model
下載
參考設計

TIDEP-0091 — 77 GHz 液位發送器功率最佳化參考設計

TIDEP-0091 highlights strategies for power optimization of IWR14xx 76- to 81-GHz mmWave sensors in tank level-probing applications, displacement sensors, 4- to 20-mA sensors and other low-power applications for detecting range with high accuracy in a minimal power envelope. In these (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP11757 — 車用閘道電源解決方案參考設計

The PMP11757 reference design is a complete power solution for an automotive gateway and provides four different output voltages (3.3V @ 1.6A, 5.0V @ 250mA, 2.5V @ 140mA, 1.0V @ 110mA).
Test report: PDF
電路圖: PDF
參考設計

PMP10650 — 適用於無人機主輔助電源和備用輔助電源的高密度效率解決方案

PMP10650 is a high power density 40W Buck Converter design optimized for Wide Vin Drone Design using the LM3150 controller IC (Used for Drone’s Backup Power) and LM53603. The design accepts an input voltage of 7Vin to 36Vin and provides the outputs of 5V@5A for Drone’s Backup power and (...)
Test report: PDF
電路圖: PDF
參考設計

PMP10651 — 適用於含所有防護的 12V 電池之 2.2 MHz 切換同步雙電源參考設計

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 (...)
Test report: PDF
電路圖: PDF
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