33984 Datasheet, PDF (3/38 Pages) Freescale Semiconductor, Inc – Dual Intelligent High-current Self-protected Silicon High Side Switch (4.0 mOhm)

CS
SO
SI
SCLK
FS
IN[0:1]
RST
WAKE
FSI
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VDD
VPWR
V_IC
I_UP
Internal
Regulator
Over-voltage
Protection
SPI
3.0 MHz
Logic
I_DWN
R_DWN
Programmable
Switch Delay
0 –525 ms
Selectable Slew
Rate Gate Drive
Selectable Over-current
High Detection
100A or 75A
Selectable Over-
current Low Detection
Blanking Time
0.15–155 ms
Over-temperature
Detection
Selectable Over-current
Low Detection
7.5 –25 A
Open Load
Detection
HS0
HS0
Programmable
Watchdog
310–2500 ms
V_IC
I_UP
HS1
HS1
Selectable
Output Current
Recopy
1/20500 or 1/41000
GND
Figure 2. 33984 Simplified Internal Block Diagram
CSNS
Analog Integrated Circuit Device Data
Freescale Semiconductor
33984
3