33931 Datasheet, PDF (17/21 Pages) Freescale Semiconductor, Inc – 5.0 A Throttle Control H-bridge

TYPICAL APPLICATIONS
INTRODUCTION
TYPICAL APPLICATIONS
INTRODUCTION
A typical application schematic is shown in Figure 14. For
precision high-current applications in harsh, noisy
environments, the V_PWR by-pass capacitor may need to be
substantially larger.
V_PWR
33nF
100 μF
100 nF
LOGIC SUPPLY
VDD
VPWR
CCP
VCP _CHARGE
PUMP
HS1
HS2
OUT1
TO GATES
M
HS1
OUT2
IN1
LS1
LS2
LS1
IN2
HS2
EN/D2
D1
GATE DRIVE
LS2
AND
PGND
+5.0 V
STATUS
FLAG
SF
FB
PROTECTION
LOGIC
VSENSE
ILIM PWM
CURRENT MIRRORS
AND
CONSTANT OFF-TIME
PWM CURRENT REGULATOR
TO
ADC R_FB
270 Ω
1.0 μF
AGND
PGND
Figure 14. 33931 Typical Application Schematic
Analog Integrated Circuit Device Data
Freescale Semiconductor
33931
17