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AN4243 Datasheet(PDF) 3 Page - STMicroelectronics |
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AN4243 Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 29 page  AN4243 L6230 block diagram Doc ID 024199 Rev 1 3/29 1 L6230 block diagram The L6230 (see Figure 1) includes logic for CMOS/TTL interface, a charge pump that provides auxiliary voltage to drive the high-side DMOS, non-dissipative overcurrent protection circuitry on the high-side DMOS, with a fixed trip point set at 2.8 A (see Section 2.10), overtemperature protection, undervoltage lockout for reliable startup. Figure 1. L6230 block diagram CHARGE PUMP VOLTAGE REGULATOR THERMAL PROTECTION OCD1 OCD OCD2 10V 5V VCP VSA GATE LOGIC VBOOT VBOOT OUT1 OUT2 SENSE 1 2 VSB OUT3 SENSE3 DIAG-EN IN1 IN3 EN3 EN2 CP+ IN2 OCD3 VBOOT OCD1 10V VBOOT OCD2 10V VBOOT OCD3 10V COMPARATOR + - CP- CPOUT SENSE EN1 AM16563v1 |
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