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L6280 Folha de dados(PDF) 1 Page - STMicroelectronics |
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L6280 Folha de dados(HTML) 1 Page - STMicroelectronics |
1 / 26 page L6280 THREE CHANNELS MULTIPOWER DRIVER SYSTEM ADVANCE DATA PROGRAMMABLE CONFIGURATION (CHANNELS 1 AND 2) OUTPUT CURRENT UP TO 1A (CHANNELS 1AND 2) 1 SENSE PER CHANNEL OUTPUT CURRENT CHANNEL 3 UP TO 3A DIRECT INTERFACE TO MICROPROCESSOR C-MOS COMPATIBLE INPUT INTERNAL DC-DC CONVERTER FOR LOGIC SUPPLY (+5V) POWER FAIL WATCHDOG MANAGEMENT THERMAL PROTECTION VERY LOW DISSIPATED POWER (SUIT- ABLE FOR USE IN BATTERY SUPPLIED AP- PLICATIONS) DESCRIPTION The L6280 is a multipower driver system for motor and solenoid control applicatios that connects di- rectly to a microprocessor bus. Realized in Mul- tipower BCD technology -- which combines isolated DMOS transistors, CMOS & bipolar circuits on the same chip -- it integrates two 1A motor drivers (channels 1 & 2) a 3A solenoid driver (channel 3) and a 5V switchmode power supply. All of the drivers in the L6280 are controlled by a microprocessor which loads commands and reads diagnostic information, treating the device as a peripheral. Channels 1 and 2 feature a pro- grammable output DMOS transistor configuration that can be set during the initialization phase. Thanks to very low dissipation of its DMOS power stages the L6280 needs no heatsink and is pack- aged in a 44-lead PLCC package. This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. January 1992 MULTIPOWER BCD TECHNOLOGY BLOCK DIAGRAM PLCC44 ORDERING NUMBER: L6280 1/26 |
Nº de peça semelhante - L6280 |
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Descrição semelhante - L6280 |
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