Freescale Semiconductor, Inc.
Table 1. Features Comparison: 33888 and 33888A
Parameter
Undervoltage Low-Side Output Shutdown
Low-Side Drain-to-Source ON Resistance
Recommended Frequency of SPI Operation
Symbol
VPWRUV
RDS(ON)
f SPI
Condition
–
VPWR = 4.5 V;
VDD = 3.5 V
Extended Mode,
VDD = 3.4 V
33888
5.0 V
Not specified
Not specified
33888A
3.0 V
8.0 Ω
For details,
see page
11
14
2.1 MHz
17
(max)
VDD
VPWR
CS
SCLK
SO
SI
RST
WAKE
FS
IN0
IN1
IN2
IN3
ILS
WDIN
FSI
IUP
IDWN
SPI
3.0 MHz
VIC
Internal
Regulator
Over /Undervoltage
Protection
10 mΩ
Gate Driver
Selectable Current Limit
Logic
Open Load
Detection
Overtemperature
Detection
HS0
RDWN
IDWN
VIC
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
ILIM
Open Load
x8
HS0
CSNS0-1
HS1
HS2
CSNS2-3
HS3
LS4
LS5
LS6
LS7
LS8
LS9
LS10
LS11
GND
Figure 1. 33888 Simplified Internal Block Diagram
33888
2
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
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