33874 Datasheet, PDF (2/37 Pages) Freescale Semiconductor, Inc – Quad High-Side Switch (Quad 35 mΩ)

INTERNAL BLOCK DIAGRAM
CS
SCLK
SO
SI
RST
WAKE
FS
IN0
IN1
IN2
IN3
FSI
TEMP
INTERNAL BLOCK DIAGRAM
VDD
I_UP
V_IC
Internal
Regulator
VPWR
Over /Undervoltage
Protection
V_IC
I_DWN
SPI
3.0 MHz
Logic
R_DWN
I_DWN
Programmable
V_IC
Watchdog
279 ms–2250 ms
Selectable Slew
Rate Gate Drive
Selectable Overcurrent
High Detection
HS[0:3]: 55 A or 40 A
Selectable Over-
current Low Detection
Blanking Time
0.15 ms–155 ms
Open Load
Detection
Overtemperature
Detection
Selectable Over-
current Low Detection
HS[0:3]: 2.8 A–10 A
HS0
HS1
HS2
HS0
HS1
HS2
Temperature
Feedback
HS3
Selectable Output Current
Recopy (Analog MUX)
HS[0:3]: 1/7200 or 1/21400
HS3
GND
Figure 2. 33874 Simplified Internal Block Diagram
CSNS
33874
2
Analog Integrated Circuit Device Data
Freescale Semiconductor