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MCZ33291EGR2 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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MCZ33291EGR2 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 26 page Document Number: MC33291 Rev. 4.0, 10/2006 Freescale Semiconductor Technical Data 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., 2006. All rights reserved. Eight-Output Switch with Serial Peripheral Interface I/O The 33291 device is an eight-output, low-side power switch with 8- bit serial input control. The 33291 is a versatile circuit designed for automotive applications, but is well suited for other environments. The 33291 incorporates SMARTMOS technology, with CMOS logic, bipolar/MOS analog circuitry, and DMOS power MOSFETs. The 33291 interfaces directly with a microcontroller to control various inductive or incandescent loads. The circuit’s innovative monitoring and protection 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 ≤ T A ≤ 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 Accommodate 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 mA IDD During Operation • Pb-Free Packaging Designated by Suffix Code EG Figure 1. 33291 Simplified Application Schematic LOW-SIDE SWITCH DW SUFFIX EG SUFFIX (PB-FREE) 98ASB42344B 24-PIN SOICW 33291 ORDERING INFORMATION Device Temperature Range (TA) Package MC33291DW/R2 -40 °C to 125°C 24 SOICW MCZ33291EG/R2 MCU 33291 VDD V PWR SFPD CS SCLK SI RESET SO VDD VPWR OP 0 OP 1 OP 2 OP 3 OP 4 OP 5 OP 6 OP 7 GND |
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