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MC33291DWR2 bảng dữ liệu(PDF) 2 Page - Motorola, Inc |
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MC33291DWR2 bảng dữ liệu(HTML) 2 Page - Motorola, Inc |
2 / 24 page 33291 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 2 Figure 1. 33291 Simplified Block Diagram VPWR 21 Gate Control Open Load Detect Short Circuit Detect Over Temperature Detect Over Voltage Voltage Regulator Serial D/O Line Driver OVD VDD RB SFPD SFL CS SCLK SI SO CSI CSBI GE OT SF OF SPI Interface Logic + – Fault Timers + + + 10 µA 25 µA 10 µA Bias To Gates 1 to 7 Output 0 24 Outputs 1 to 7 From Detectors 1 to 7 Grounds 5-8 17-20 RS lLimit 53 V 2 11 - 14 23 VDD SFPD RST CS SCLK SI SO 16 15 22 10 3 4 9 10 µA 10 µA FAULT OPERATION Serial Output (SO) Pin Reports Over Voltage Over voltage condition reported Over Temperature Fault reported by Serial Output (SO) pin Over Current SO pin reports short to battery/supply or over current condition Output ON, Open Load Fault Not reported Output OFF, Open Load Fault SO pin reports output OFF open load condition Device Shutdowns Over Voltage Total device shutdown at VPWR = 28 to 36 V. All outputs are latched off while the SPI register is reset (cleared). Outputs can be turned back on with a new SPI command after VPWR has decayed below 26.5 V. Over Temperature Only the output experiencing an over temperature condition turns OFF. Over Current Only the output experiencing an over current shuts down at 1.0 to 3.0 A after a 70 to 250 µs delay, with SFPD pin grounded. All other outputs will continue to operate in a current limit mode, with no shutdown, if the SFPD pin is at 5.0 V (so long as the individual outputs are not experiencing thermal limit conditions). Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
Số phần tương tự - MC33291DWR2 |
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Mô tả tương tự - MC33291DWR2 |
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