33894 Datasheet, PDF (2/28 Pages) Freescale Semiconductor, Inc – Quad High-Side Switch

INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
CS
SCLK
SO
SI
RST
WAKE
FS
IN0
IN1
IN2
IN3
FSI
VDD
I_UP
V_IC
Internal
Regulator
VPWR
Over /Undervoltage
Protection
I_DWN
SPI
3.0 MHz
Logic
R_DWN
I_DWN
Programmable
V_IC
Watchdog
310 ms–2500 ms
Selectable Slew
Rate Gate Drive
Selectable Overcurrent
High Detection
HS[0:3]: 50 A or 35 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]: 2.4 A–9.1 A
HS0
HS1
HS2
HS0
HS1
HS2
HS3
Selectable Output Current
Recopy (Analog MUX)
HS[0:3]: 1/6500 or 1/20000
HS3
GND
Figure 2. 33894 Simplified Internal Block Diagram
CSNS
33894
2
Analog Integrated Circuit Device Data
Freescale Semiconductor