L9659中文资料用于安全应用的八通道发火管驱动器ASIC数据手册ST规格书

描述 Description

The L9659 is intended to deploy up to 8 squibs. Squib drivers are sized to deploy 1.2 A minimum for 2 ms, 1.75 A minimum for 1 ms and 1.75 A minimum for 0.65 ms during load dump along with 1.5 A minimum for 2 ms for VRES voltages less than 25 V.

Full diagnostic capabilities of the squib interface are provided.

特性 Features

• 8 deployment drivers with SPI selectable firing current and times
• Capability to deploy the squib with 1.2 A (min)/2 ms, 1.75 A (min)/1.0 ms and 1.75 A (min)/0.65 ms between VRES of 7 V to 37 V
• Capability to deploy the squib with 1.5 A (min)/2 ms between VRES of 7 V to 25 V
• Firing capability to deploy all channels simultaneously
• Independently controlled high-side and low-side MOS for diagnosis
• Analog output available for resistance measurement
• Squib short to ground, short to battery and MOS diagnostic available on SPI register
• Capability to deploy the squib the low side MOS is shorted to ground
• 4 fire enable inputs
• 5.5 MHz SPI interface
• Low voltage internal reset
• 2 kV ESD capability on all pins
• Package: LQFP64
• Technology: ST proprietary BCD5 (0.65 μm)
• RoHS compliant

简介

L9659属于集成电路（IC）的电源管理-专用。由制造生产的L9659电源管理 - 专用专用型电源管理集成电路 (PMIC) 用于电源的控制或操作，适合特定或小范围的目标应用，例如汽车气囊管理、电容器组平衡、AC 公共电力监控、存储器总线端接、接地故障检测、能量收集、小型引擎管理、处理器或芯片集专用电压调节、负载突降保护、触觉驱动器、热电制冷器控制等。