33291L Datasheet | Freescale Semiconductor

features include very low standby current, SPI cascade fault reporting capability, internal 53 V clamp on each output, output-specific diagnostics, and independent shutdown of outputs. The device is parametrically specified over an ambient temperature range of -40°C ≤ TA ≤ 125°C and 9.0 V ≤ VPWR ≤ 16 V supply. Features - Designed to Operate Over Wide Supply Voltages of 5.5 V to 26.5 V - Interfaces to Microprocessor Using 8-Bit SPI I/O Protocol up to 3.0 MHz - 1.0 A Peak Current Outputs with Maximum RDS(ON) of 1.6 Ω at TJ 150°C - Outputs Current-Limited to Acmodate In-Rush Currents Associated with Switching Incandescent Loads - Output Voltages Clamped to 53 V During Inductive Switching - Maximum Sleep Current (IPWR) of 25 µA - Maximum of 4.0 m A IDD During Operation - Pb-Free Packaging Designated by Suffix Code EG LOW-SIDE SWITCH DW SUFFIX EG SUFFIX (PB-FREE) 98ASB42344B 24-PIN SOICW ORDERING INFORMATION Device MC33291LDW/R2 MCZ33291LEG/R2 Temperature Range (TA) -40°C to 125°C Package 24 SOICW V PWR VPWR SFPD VDD CS MCU SCLK SI SO RESET OP 0 OP 1 OP 2 OP 3 OP 4 OP 5 OP 6 OP 7 GND Figure 1. 33291L Simplified Application Schematic Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2007. All rights reserved. VPWR Output 0 Overvoltage OVD VDD RB SFPD SFL CS SPI SCLK Interface SI Logic SO CSI CSBI Voltage Regulator GE OT SF OF 24 Bias 53 V PIN 16 SFPD 15 RST 22 + 10 µA 25 µA + 10 µA Fault Timers 10 µA + 10 µA Gate Control To Gates 1- 7 Outputs 1, 2, 11- 14, 23 CS 10 SCLK 3 SI 4 SO 9 Open Load Detect l Limit + - Short Circuit Detect Grounds Overtemperature Detect From Detectors 1- 7 5- 8, 17- 20 Serial D/O Line Driver Figure 2. 33291L Simplified Block Diagram Table 1. Fault...