33926 Datasheet, PDF (16/24 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 13. For precision high-current applications in harsh, noisy environments,
the V_PWR by-pass capacitor may need to be substantially larger.
V_PWR
33nF
100µF
100nF
LOGIC SUPPLY
VDD
VPWR
CCP
VCP _CHARGE
PUMP
HS1
HS2
OUT1
TO GATES
M
EN
HS1
OUT2
IN1
LS1
LS2
LS1
IN2
HS2
D2
GATE DRIVE
LS2
D1
AND
PGND
STATUS
FLAG
+5.0V _INV
SLEW
SF
FB
PROTECTION
LOGIC
V_SENSE
I_LIM PWM
CURRENT MIRRORS
AND
CONSTANT OFF-TIME
PWM CURRENT REGULATOR
TO
ADC R_FB
270Ω
1.0µF
AGND
PGND
Figure 13. 33926 Typical Application Schematic
33926
16
Analog Integrated Circuit Device Data
Freescale Semiconductor