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MC10XS3535 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC10XS3535 Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 45 page Analog Integrated Circuit Device Data 4 Freescale Semiconductor 10XS3535 PIN CONNECTIONS Notes 1. The pins 14, 17 and 23 must be shorted on the board. 10 SI Input Master-Out Slave- In This data input is sampled on the positive edge of the SCLK. This pin has a passive internal pull-down resistance. 11 VCC Power Logic Supply SPI Logic power supply. 12 SO Output Master-In Slave- Out SPI data is sent to the MCU by this pin. This data output changes on the negative edge of SCLK and when CS is high, this pin is high-impedance. 13 FETOUT Output External FET Gate This pin controls an external SMART MOSFET by logic level. This output is also called OUT6. If OUT6 is not used in the application, this output pin is set to logic high when the current sense output becomes valid when CSNS sync SPI bit is set to logic [1]. 14,17,23 GND Ground Ground This pin is the ground for the logic and analog circuitry of the device.(1) 15 VBAT Power Battery Input Power supply pin. 16 CP Output Charge Pump This pin is the connection for an external tank capacitor (for internal use only). 22 18 OUT1 OUT5 Output Output 1 Output 5 Protected 35 m Ω high side power output to the load. 21 20 19 OUT2 OUT3 OUT4 Output Output 2 Output 3 Output 4 Protected 10 m Ω high side power output to the load. 24 CSNS Output Current Sense Output This pin is used to output a current proportional to OUT1:OUT5, FETin current, and it is used externally to generate a ground-referenced voltage for the microcontroller to monitor output current. Moreover, this pin can report a voltage proportional to the temperature on the GND flag. OUT1:OUT5, FETin current sensing and Temperature feedback choice is SPI programmable. Table 1. 10XS3535 Pin Definitions (continued) A functional description of each pin can be found in the Functional Pin Description section beginning on Page 20. Pin Number Pin Name Pin Function Formal Name Definition |
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