LP87522-Q1

Name: LP87522-Q1
Brand: TI
SKU: LP87522-Q1
Price: 2.139 USD

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具有集成开关的汽车类 10A、三相 + 单相、两输出降压转换器

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数据表

document-pdfAcrobat LP8752x-Q1 10-A Buck Converter With Integrated Switches 数据表 (英语) PDF | HTML

LP87522-Q1

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数据表

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Regulated outputs (#)

2

Configurability

Factory programmable, Software configurable

Vin (min) (V)

2.8

Vin (max) (V)

5.5

Vout (min) (V)

0.6

Vout (max) (V)

3.36

Iout (max) (A)

9

Features

Diagnostics, Dynamic voltage scaling, Enable, Enable pin, I2C control, Overcurrent protection, Power good, Power sequencing, Power supply and system monitoring, Spread-Spectrum Clock (SSC) Generation, Thermal shutdown, UVLO fixed

Step-up DC/DC converter

0

Step-down DC/DC converter

4

Step-down DC/DC controller

0

Step-up DC/DC controller

0

LDO

0

Iq (typ) (mA)

0.0067

Rating

Automotive

Switching frequency (max) (kHz)

2200

Operating temperature range (°C)

-40 to 125

Processor supplier

Generic

Processor name

Generic

Shutdown current (ISD) (typ) (µA)

1.4

Switching frequency (typ) (kHz)

2000

Product type

Processor and FPGA

Regulated outputs (#)

2

Configurability

Factory programmable, Software configurable

Vin (min) (V)

2.8

Vin (max) (V)

5.5

Vout (min) (V)

0.6

Vout (max) (V)

3.36

Iout (max) (A)

9

Features

Diagnostics, Dynamic voltage scaling, Enable, Enable pin, I2C control, Overcurrent protection, Power good, Power sequencing, Power supply and system monitoring, Spread-Spectrum Clock (SSC) Generation, Thermal shutdown, UVLO fixed

Step-up DC/DC converter

0

Step-down DC/DC converter

4

Step-down DC/DC controller

0

Step-up DC/DC controller

0

LDO

0

Iq (typ) (mA)

0.0067

Rating

Automotive

Switching frequency (max) (kHz)

2200

Operating temperature range (°C)

-40 to 125

Processor supplier

Generic

Processor name

Generic

Shutdown current (ISD) (typ) (µA)

1.4

Switching frequency (typ) (kHz)

2000

Product type

Processor and FPGA

VQFN-HR (RNF)

26

18 mm² 4.5 x 4

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
Input Voltage: 2.8 V to 5.5 V
Output Voltage: 0.6 V to 3.36 V
Four High-Efficiency Step-Down DC/DC Converter Cores:
- Maximum Output Current: 10 A
Switching Frequency: 2 MHz
Spread-Spectrum Mode and Phase Interleaving
Configurable General Purpose I/O (GPIOs)
I²C-Compatible Interface That Supports Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
Interrupt Function With Programmable Masking
Programmable Power-Good Signal (PGOOD)
Output Short-Circuit and Overload Protection
Overtemperature Warning and Protection
Overvoltage Protection (OVP) and Undervoltage Lockout (UVLO)

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
Input Voltage: 2.8 V to 5.5 V
Output Voltage: 0.6 V to 3.36 V
Four High-Efficiency Step-Down DC/DC Converter Cores:
- Maximum Output Current: 10 A
Switching Frequency: 2 MHz
Spread-Spectrum Mode and Phase Interleaving
Configurable General Purpose I/O (GPIOs)
I²C-Compatible Interface That Supports Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
Interrupt Function With Programmable Masking
Programmable Power-Good Signal (PGOOD)
Output Short-Circuit and Overload Protection
Overtemperature Warning and Protection
Overvoltage Protection (OVP) and Undervoltage Lockout (UVLO)

The LP8752x-Q1 device is designed to meet the power-management requirements of the latest processors and platforms in various automotive power applications. The device contains four step-down DC/DC converter cores, which are configured as a 4-phase output, 3-phase and 1-phase outputs, 2-phase and 2-phase outputs, one 2-phase and two 1-phase outputs, or four 1-phase outputs. The device is controlled by an I²C-compatible serial interface and by enable signals.

The automatic pulse-width-modulation (PWM) to pulsed-frequency-modulation (PFM) operation (AUTO mode), together with the automatic phase adding and phase shedding, maximizes efficiency over a wide output-current range. The LP8752x-Q1 supports remote differential-voltage sensing for multiphase outputs to compensate IR drop between the regulator output and the point-of-load (POL) improving the accuracy of the output voltage. The switching clock can be forced to PWM mode and also synchronized to an external clock to minimize the disturbances.

The LP8752x-Q1 device supports load-current measurement without the addition of external current-sense resistors. The device also supports programmable start-up and shutdown delays and sequences synchronized to enable signals. The sequences can include GPIO signals to control external regulators, load switches, and processor reset. During start-up and voltage change, the device controls the output slew rate to minimize output-voltage overshoot and in-rush current.

The LP8752x-Q1 device is designed to meet the power-management requirements of the latest processors and platforms in various automotive power applications. The device contains four step-down DC/DC converter cores, which are configured as a 4-phase output, 3-phase and 1-phase outputs, 2-phase and 2-phase outputs, one 2-phase and two 1-phase outputs, or four 1-phase outputs. The device is controlled by an I²C-compatible serial interface and by enable signals.

The automatic pulse-width-modulation (PWM) to pulsed-frequency-modulation (PFM) operation (AUTO mode), together with the automatic phase adding and phase shedding, maximizes efficiency over a wide output-current range. The LP8752x-Q1 supports remote differential-voltage sensing for multiphase outputs to compensate IR drop between the regulator output and the point-of-load (POL) improving the accuracy of the output voltage. The switching clock can be forced to PWM mode and also synchronized to an external clock to minimize the disturbances.

The LP8752x-Q1 device supports load-current measurement without the addition of external current-sense resistors. The device also supports programmable start-up and shutdown delays and sequences synchronized to enable signals. The sequences can include GPIO signals to control external regulators, load switches, and processor reset. During start-up and voltage change, the device controls the output slew rate to minimize output-voltage overshoot and in-rush current.

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	类型	标题		下载最新的英语版本		日期
*	数据表	LP8752x-Q1 10-A Buck Converter With Integrated Switches 数据表	PDF \| HTML			2018年 3月 15日
	应用简报	FlexPower PMIC 设备的优势 (Rev. B)		英语版 (Rev.B)	PDF \| HTML	2021年 5月 19日
	用户指南	LP87522E-Q1 Technical Reference Manual	PDF \| HTML			2021年 2月 16日
	应用手册	使用 LP87522E-Q1 和 LP873244-Q1 的 AC8015 电源设计	PDF \| HTML	英语版	PDF \| HTML	2020年 10月 30日
	应用手册	How to Design Flexible Processor Power Systems Using PMICs (Rev. B)				2020年 1月 27日
	用户指南	LP87522B-Q1 Technical Reference Manual				2019年 10月 1日
	应用手册	Stability Considerations for LP8756x-Q1 and LP8752x-Q1	PDF \| HTML			2019年 6月 4日
	用户指南	LP8752x-Q1 Configuration Guide				2018年 10月 11日

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评估板

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用户指南: PDF