33888 Datasheet, PDF (3/40 Pages) Freescale Semiconductor, Inc – Quad High-Side and Octal Low-Side Switch for Automotive

INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
V_DD
V_PWR
CS
SCLK
SO
SI
RST
WAKE
FS
IN0
IN1
IN2
IN3
ILS
WDIN
FSI
I_UP
I_DWN
SPI
3.0 MHz
V_IC
Internal
Regulator
Over /Undervoltage
Protection
10 mΩ
Gate Driver
Selectable Current Limit
Logic
Open Load
Detection
Overtemperature
Detection
HS0
R_DWN
I_DWN
V_IC
Watchdog
Gate Control and Fault 10 mΩ
HS1
Selectable Output Current
Recopy (Analog MUX)
Gate Control and Fault 40 mΩ
HS2
Selectable Output Current
Recopy (Analog MUX)
Gate Control and Fault 40 mΩ
HS3
Gate
Control
Clamp
Over-
temperature
I_LIM
Open Load
x8
HS0
CSNS0-1
HS1
HS2
CSNS2-3
HS3
LS4
LS5
LS6
LS7
LS8
LS9
LS10
LS11
GND
Figure 2. 33888 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor
33888
3