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L99DZ100GP Datasheet(PDF) 17 Page - STMicroelectronics |
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L99DZ100GP Datasheet(HTML) 17 Page - STMicroelectronics |
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17 / 197 page  DS11546 Rev 5 17/197 L99DZ100G, L99DZ100GP Block diagram and pin descriptions 196 25 VSREG Power supply voltage to supply the internal voltage regulators, OUT15 and the OUT_HS (external reverse battery protection required / Diode) for this input a ceramic capacitor as close as possible to GND and an electrolytic back up capacitor is recommended. 26 OUT_HS High-side-driver output to drive LEDs or to supply contacts 27 OUT4 Half-bridge outputs: the output is built by a high-side and a low-side switch which are internally connected. The output stage of both switches is a power DMOS transistor. Each driver has an internal parasitic reverse diode (bulk-drain-diode: high-side driver from output to VS, low-side driver from GND to output) 28 OUT4; 2nd pin Current capability (pin description see above) 29 OUT3 Half-bridge outputs: the output is built by a high-side and a low-side switch which are internally connected. The output stage of both switches is a power DMOS transistor. Each driver has an internal parasitic reverse diode (bulk-drain-diode: high-side driver from output to VS, low-side driver from GND to output) 30 VS; 3rd pin Current capability (for the pin description see above) 31 OUT15 High-side-driver output to drive LEDs 32 PGND Power GND 33 OUT8 High-side-driver output to drive LEDs or a 5 Watt bulb (programmable Rdson) 34 ECDR ECDR: using the device in EC control mode this pin is used to control the gate of an external N-Channel MOSFET 35 SGND Signal Ground 36 CM Current monitor output: depending on the selected multiplexer bits CM_SEL_x (CR 7) of the; Control Register this output sources an image of the instant current; through the corresponding high-side driver with a fixed ratio 37 ECV ECV: using the device in EC control mode this pin is used as voltage monitor input. For fast discharge an additional low-side-switch is implemented 38 CLK SPI: serial clock input 39 DO SPI: serial data output (push pull output stage) 40 DI SPI: serial data input 41 CSN SPI: chip select not input 42 TxD_L LIN Transmit data input 43 RxD_L/NINT RxDL -> LIN receive data output; NINT -> indicates local/remote wake-up events (push pull output stage) 44 TxD_C CAN transmit data input 45 RxD_C/NINT CAN receive data output NINT -> indicates local/remote wake-up events (push pull output stage) 46 DIR1 Direct Drive Input 1 Table 2. Pin definitions and functions (continued) Pin Symbol Function |
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