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PowerSSO-36 Datasheet(PDF) 8 Page - STMicroelectronics |
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PowerSSO-36 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 53 page Block diagram and pin description L99H01 8/53 DocID15567 Rev 5 9CLK Serial clock input: this input controls the internal shift register of the SPI and requires CMOS logic levels.This input has a pull-down current. 10 DI Serial data in: the input requires CMOS logic levels and receives serial data from the microcontroller. The data is an 8-bit control word and the most significant bit (MSB, bit 7) is transferred first. This input has a pull-down current. 11 DO Serial data out: the diagnosis data is available via the SPI and this tristate-output. The output remains in tristate, if the chip is not selected by the input CSN (CSN = high). 12, 14, 19, 20, 22 NC Not connected. 13 CSO Current sense amplifier output: VCC compatible. 15 CSI1+ Current sense amplifier input: positive input 1, multiplexible. 16 CSI1- Current sense amplifier input: negative input 1, multiplexible. 17 CSI2+ Current sense amplifier input: positive input 2, multiplexible. 18 CSI2- Current sense amplifier input: negative input 2, multiplexible. 21 TS/ ACT_OFF Thermal sensor interface or input to switch all driver active off. 23 GL2 Gate driver for PowerMOS low-side switch in halfbridge 2. 24 SL2 Source of low-side switch in halfbridge 2. 25 GH2 Gate driver for PowerMOS high-side switch in halfbridge 2. 26 SH2 Source/drain of halfbridge 2. 27 SL1 Source of low-side switch in halfbridge 1. 28 GL1 Gate driver for PowerMOS low-side switch in halfbridge 1. 29 SH1 Source/drain of halfbridge 1. 30 GH1 Gate driver for PowerMOS high-side switch in halfbridge 1. 31 CP Charge pump output. 32 CP2+ Charge pump pin for capacitor 2, positive side. 33 CP2- Charge pump pin for capacitor 2, negative side. 34 CP1+ Charge pump pin for capacitor 1, positive side. 35 CP1- Charge pump pin for capacitor 1, negative side. 36 VS Power supply voltage (external reverse protection required). For EMI reason a ceramic capacitor as close as possible to GND is recommended. Table 2. Pin definitions and functions (continued) Pin Symbol Function |
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