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Cypress S6BP401A汽车电源管理集成电路(PMIC)解决方案

2017-11-12 05:16 PM| 发布者: dgaitymq120379| 查看: 1178| 评论: 0

摘要: cypress公司的S6BP401A是电源管理集成电路(PMIC),包含有四个内置了开关FET的降压2.1MHz DC/DC转换器,两个低压降(LDO)的稳压器和数字窗口看门狗计时器.VIN输入电压4.5V-5.5V,内置开关FET的电流高达3A,主要用在汽车应 ...

cypress公司的S6BP401A是电源管理集成电路(PMIC),包含有四个内置了开关FET的降压2.1MHz DC/DC转换器,两个低压降(LDO)的稳压器和数字窗口看门狗计时器.VIN输入电压4.5V-5.5V,内置开关FET的电流高达3A,主要用在汽车应用,先进驾驶辅助系统(ADAS),照相机系统如安全照相机和工业应用.本文介绍了S6BP401A主要特性,框图和架构框图,典型应用电路,以及评估板S6SBP401AJ0SA1001主要指标,电路图,材料清单和PCB设计图.

S6BP401A is a power management IC, consists of quad buck 2.1 MHz DC/DC converter with built-in switching FETs, dual LowDrop-out regulator (LDOs) and a digital windowed watchdog timer. Having the switching FETs built-in, S6BP401A realizes highpower conversion efficiency and high switching frequency up to 2.4 MHz. The internal FETs are capable to handle up to 3A load. AsS6BP401A employs the current mode architecture, it has fast load transient response. Built-in output voltage setting resistors andcompensation circuits reduce BOM cost and component area.

S6BP401A主要特性:

Quad Buck DC/DC Converter (DD1 to DD4)
VIN Input Range: 4.5V to 5.5V
Switching Frequency
External clock mode: 1.8 MHz to 2.4 MHz
Internal clock mode: 2.0 MHz to 2.2 MHz
Built-in Switching FETs up to 3A
Built-in Output Voltage Setting Resistors
Built-in Compensation Circuits
Dual LDO (LD1, LD2)
VIN Input Voltage Range: 2.97V to 5.5V
Built-in Output Voltage Setting resistors
Power Good Monitor Output for each DC/DC Converters,LDOs
Built-in Windowed Watchdog Timer (WDT)
Under Voltage Lockout (UVLO)
Thermal Shutdown (TSD)
Over Current Protection (OCP)
Over Voltage Protection (OVP)
Independent Enabling for each DC/DC Converters and LDOs
Load-independent Soft-Start
Built-in Discharge Resistors
Small 6 mm × 6 mm QFN-40 Package
AEC-Q100 compliant (Grade-1)

S6BP401A应用:

Automotive Applications
Advanced Driver Assistance Systems (ADAS)
Camera Systems such as Security Camera
Industrial Applications

图1.S6BP401A框图


图2.S6BP401A架构框图

图3.S6BP401A典型应用电路

评估板S6SBP401AJ0SA1001

S6SBP401AJ0SA1001 and S6SBP401AM2SA1001 are the evaluation kit for power block of automotive ADAS platform.

The board implements power management IC S6BP401A.

图4.评估板S6SBP401AJ0SA1001外形图

图5.评估板S6SBP401AJ0SA1001略图
评估板S6SBP401AJ0SA1001主要指标:


图6.评估板S6SBP401AJ0SA1001电路图
评估板S6SBP401AJ0SA1001材料清单:



图7.评估板S6SBP401AJ0SA1001 PCB设计图(1)

图8.评估板S6SBP401AJ0SA1001 PCB设计图(2)
详情请见:
http://www.cypress.com/file/197161/download
http://www.cypress.com/file/258511/download

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