MC33999 Datasheet, PDF (2/21 Pages) Motorola, Inc – 16-Output Switch with SPI and PWM Control

INTERNAL BLOCK DIAGRAM
PWM
50
RST
47
CS
23
SCLK
20
SI
32
SO
35
SO_PWR
5
PWM0
1
PWM1
4
PWM6
24
PWM7
27
PWM8
28
PWM9
31
PWM14
51
PWM15
54
INTERNAL BLOCK DIAGRAM
V_PWR 8
V_DD
10 µA
25 µA
10 µA
Input
Buffers
10 µA
Overvoltage
Detect
Voltage
Regulator
OVD
VDD
RB
SFPDB
SFL
CS
SCLK
SI
SO
CSI
CSBI
GE
OT
SF
OF
Open
Load
Detect
Enable
V_DD
Bias
Gate
Control
V_Ref
50 µA
50 V
To Gates
1 to 15
I_LIMIT
R_S
10 µA
Serial D/O
Line Driver
SPI
Interface
Logic
Short and
Open
Circuit
Detect
10 µA
PWM0
Overtemperature
Detect
From Detectors 1 to 15
10 µA
PWM1
10 µA
PWM6
10 µA
PWM7
10 µA
PWM8
10 µA
PWM9
10 µA
10 µA
PWM14
PWM15
OUT0
2
OUT1– OUT 15:
3, 6, 7, 21, 22,
25, 26, 29, 30,
33, 34, 48, 49,
52, 53
GND Pins:
10 – 18
37 – 40
42 – 45
Figure 2. 33999 Simplified Internal Block Diagram
33999
2
Analog Integrated Circuit Device Data
Freescale Semiconductor