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AN4243 数据表(PDF) 3 Page - STMicroelectronics

部件名 AN4243
功能描述  The L6230 DMOS driver for three-phase brushless DC motor
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN4243 数据表(HTML) 3 Page - STMicroelectronics

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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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