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TPS62870-Q1

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具有快速瞬态响应的汽车类 2.7V 至 6V 输入、6A 可堆叠同步降压转换器

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数据表

TPS62870-Q1

预发布
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产品详细信息

Vin (Min) (V) 2.7 Vin (Max) (V) 6 Vout (Min) (V) 0.4 Vout (Max) (V) 3.3 Iout (Max) (A) 6 Iq (Typ) (uA) 1.75 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 3000 Features Enable, Fixed Output, Forced PWM, Frequency Synchronization, I2C/PMBus, Light Load Efficiency, Over Current Protection, Power Good, Soft Start Fixed, Wettable Flanks Package Operating temperature range (C) -40 to 125 Rating Automotive Regulated outputs (#) 1
Vin (Min) (V) 2.7 Vin (Max) (V) 6 Vout (Min) (V) 0.4 Vout (Max) (V) 3.3 Iout (Max) (A) 6 Iq (Typ) (uA) 1.75 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 3000 Features Enable, Fixed Output, Forced PWM, Frequency Synchronization, I2C/PMBus, Light Load Efficiency, Over Current Protection, Power Good, Soft Start Fixed, Wettable Flanks Package Operating temperature range (C) -40 to 125 Rating Automotive Regulated outputs (#) 1
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • 2.7-V to 6-V input voltage range
  • Family of pin-to-pin compatible devices: 6 A, 9 A, 12 A, and 15 A
  • Four output voltage ranges:
    • 0.4 V to 0.71875 V in 1.25-mV steps
    • 0.4 V to 1.0375 V in 2.5-mV steps
    • 0.4 V to 1.675 V in 5-mV steps
    • 0.8 V to 3.35 V in 10-mV steps
  • Output voltage accuracy ±1%
  • 7-mΩ and 4.5-mΩ internal power MOSFETs
  • Adjustable external compensation
  • Resistor-selectable start-up output voltage
  • Resistor-selectable switching frequency
  • Power-save or forced-PWM operation
  • I2C-compatible interface up to 1 MHz
  • Differential remote sensing
  • Optional stacked operation for increased output current capability
  • Thermal warning and thermal shutdown
  • Precise enable input
  • Active output discharge
  • Optional spread-spectrum clocking
  • Power-good output with a window comparator
  • Available in 2.55-mm × 3.55-mm × 1-mm VQFN package with wettable flanks
  • –40°C to 150°C junction temperature, TJ
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • 2.7-V to 6-V input voltage range
  • Family of pin-to-pin compatible devices: 6 A, 9 A, 12 A, and 15 A
  • Four output voltage ranges:
    • 0.4 V to 0.71875 V in 1.25-mV steps
    • 0.4 V to 1.0375 V in 2.5-mV steps
    • 0.4 V to 1.675 V in 5-mV steps
    • 0.8 V to 3.35 V in 10-mV steps
  • Output voltage accuracy ±1%
  • 7-mΩ and 4.5-mΩ internal power MOSFETs
  • Adjustable external compensation
  • Resistor-selectable start-up output voltage
  • Resistor-selectable switching frequency
  • Power-save or forced-PWM operation
  • I2C-compatible interface up to 1 MHz
  • Differential remote sensing
  • Optional stacked operation for increased output current capability
  • Thermal warning and thermal shutdown
  • Precise enable input
  • Active output discharge
  • Optional spread-spectrum clocking
  • Power-good output with a window comparator
  • Available in 2.55-mm × 3.55-mm × 1-mm VQFN package with wettable flanks
  • –40°C to 150°C junction temperature, TJ

The TPS6287x -Q1 is a family of pin-to-pin 6-A, 9-A, 12-A, and 15-A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I2C interface and limited-featured device variants without I2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15-A continuous output current at high ambient temperatures.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x -Q1 family implements an enhanced DCS control scheme that supports fast transients with fixed-frequency operation. Devices can operate in power save mode for maximum efficiency, or forced-PWM mode for the best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves better than ±1% DC voltage accuracy under all operating conditions.

The switching frequency is resistor-selectable through the FSEL pin. The switching frequency can be set to 1.5 MHz, 2.25 MHz, 2.5 MHz, or 3.0 MHz, or synchronized to an external clock in the same frequency range.

The I2C-compatible interface offers several control, monitoring, and warning features, such as voltage monitoring and temperature-related warnings. The output voltage can be quickly adjusted to adapt the power consumption of the load to the performance needs of the application through the I2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.

The TPS6287x -Q1 is a family of pin-to-pin 6-A, 9-A, 12-A, and 15-A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I2C interface and limited-featured device variants without I2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15-A continuous output current at high ambient temperatures.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x -Q1 family implements an enhanced DCS control scheme that supports fast transients with fixed-frequency operation. Devices can operate in power save mode for maximum efficiency, or forced-PWM mode for the best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves better than ±1% DC voltage accuracy under all operating conditions.

The switching frequency is resistor-selectable through the FSEL pin. The switching frequency can be set to 1.5 MHz, 2.25 MHz, 2.5 MHz, or 3.0 MHz, or synchronized to an external clock in the same frequency range.

The I2C-compatible interface offers several control, monitoring, and warning features, such as voltage monitoring and temperature-related warnings. The output voltage can be quickly adjusted to adapt the power consumption of the load to the performance needs of the application through the I2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.
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技术文档

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类型 项目标题 下载最新的英语版本 日期
* 数据表 TPS6287x-Q1 2.7-V to 6-V Input, 6-A, 9-A, 12-A, 15-A, Automotive, Stackable, Synchronous Step-Down Converters with Fast Transient Response 数据表 04 May 2022
应用手册 Benefiting from Step-Down Converters with an I?C Communication Interface (Rev. A) 04 May 2022
功能安全信息 TPS6287x-Q1 Functional Safety FIT Rate, FMD and Pin FMA 02 May 2022
技术文章 29 Mar 2019

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