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L99DZ70XP Datasheet(PDF) 8 Page - STMicroelectronics |
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L99DZ70XP Datasheet(HTML) 8 Page - STMicroelectronics |
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8 / 47 page  Block diagram and pin description L99DZ70XP 8/47 Doc ID 15162 Rev 4 27 PWM1 PWM1 input. This input signal can be used to control the drivers OUT1-4, OUT6-7, OUT9 and OUT11 and ECV by an external PWM signal. 30 31 OUT7, OUT8, Highside driver outputs 7,8: see OUT9. By selection of one of the 2 power DMOS at same output is it possible to supply a bulb with low on-resistance or a LED with higher on-resistance in a different application. 32 ECV Electrochrome voltage input and lowside driver output. This input senses voltage in electrocrome mode for charge monitoring. The lowside switch provides a fast discharge of electrocromic mirror and can be used 'stand alone' as lowside switch beside electrocromic mode. 33 OUT9 Highside driver output 9. The output is built by a highside switch and is intended for resistive loads, hence the internal reverse diode from GND to the output is missing. For ESD reason a diode to GND is present but the energy which can be dissipated is limited. The highside driver is a power DMOS transistor with an internal parasitic reverse diode from the output to VS (bulk-drain-diode). The output is over-current and open load protected. 34 OUT10 Highside driver output 10: see OUT9. Important: beside the bit10 in control register 1 this output can be switched on setting bit1 for electrocromic control mode with higher priority. Table 2. Pin definition and functions (continued) Pin Symbol Function |
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