L9949中文资料车门致动器驱动器数据手册ST规格书

描述 Description

The L9949 is a microprocessor controlled power interface for automotive applications. It is realized in multipower BCD60III technology. Up to three DC motors and one grounded resistive load can be driven with its three half bridges, one full bridge and one highside driver power outputs. The integrated standard serial peripheral interface (SPI) controls all operation modes (forward, reverse, brake and high impedance). All diagnostic informations are available via the SPI.

特性 Features

• OVERLOAD DIAGNOSTIC FOR ALL OUTPUTS
• OPEN LOAD DIAGNOSTIC FOR ALL OUTPUTS
• CURRENT MONITOR OUTPUT FOR FULL BRIDGE AND HIGHSIDE DRIVER
• ALL OUTPUTS SHORT CIRCUIT PROTECTED
• ONE FULL BRIDGE FOR 6A LOAD (ron = 150m)
• ONE HIGHSIDE DRIVER FOR 6A LOAD (ron = 100m)
• THREE HALF BRIDGES FOR 1.6A LOAD (ron = 800m)
• SERIAL PERIPHERAL INTERFACE (SPI) TO MICROCONTROLLER
• ALL OUTPUTS OVER TEMPERATURE PROTECTED
• VERY LOW CURRENT CONSUMPTION IN STANDBY MODE (I S< 6µA, typ. Tj≤85°C)

简介

L9949属于集成电路（IC）的电源管理-专用。由制造生产的L9949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。