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Freescale Semiconductor Electronic Components Datasheet

MC33397 Datasheet

Dual/Hex Low-Side Switch

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MC33397 pdf
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MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33397/D
Rev 2.0, 03/2003
Advance Information
Dual/Hex Low-Side Switch with
Both SPI and Parallel Input Control
The 33397 is a low-side switch that is user configurable to be either two
333 moutputs (dual mode) or six 900 moutputs (hex mode). Each output
is internally current limited and short-circuit protected. Output fault detection
capability includes “off state” open loads and “on state” short-to-battery
conditions. Faults for each output are latched into the fault register and serially
shifted out during serial communication.
33397
DUAL/HEX LOW-SIDE SWITCH
Features
• User Configurable to be Either Two 333 mOutputs (Dual Mode) or Six
900 mOutputs (Hex Mode)
• Output Inductive Energy Clamps
• Parallel Input (3.3 V and 5.0 V Compatible) or Serial Peripheral Interface
(SPI) Control
• 8-Bit SPI Control and Fault Diagnostics
• Short-to-Battery Detection and Shutdown with Automatic Retry
• OFF-State Open-Circuit Detection
• Programmable Overvoltage Shutdown (VPWR Pin)
• Undervoltage Shutdown (VDD Pin)
• Sleep Mode—IDD 25 µA (1.0 µA Typical)
DW SUFFIX
PLASTIC PACKAGE
CASE 751E
24-LEAD SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33397DW/R2 -40 to 125°C
24 SOICW
33397 Simplified Application Diagram
EN
VDD 13 33397
VPWR 24
A0
23
Micro-
controller
with Bus
EN
15
CS
10
SCLK
3
SI
4
SO
9
CMOS
Input
Logic
CMOS
Serial
Shift
Registers
and
Latches
Output
Switches
and
Sense
Circuits
A1
14
A2
12
A3
11
A4
2
A5
1
GND 5-8, 17-20
+VBAT
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc. 2003
For More Information On This Product,
Go to: www.freescale.com



Freescale Semiconductor Electronic Components Datasheet

MC33397 Datasheet

Dual/Hex Low-Side Switch

No Preview Available !

MC33397 pdf
Freescale Semiconductor, Inc.
CS SI
SO SCLK
A0
50 V
1.2
Sleep
3.0
Mode
V
+
-
40 µA
Logic
8-Bit SPI Interface
+
-
3.0 V
Sleep Mode
40 µA
Logic
A1
50 V
1.2
ILIMIT
Dual Mode
Dual Mode
ILIMIT
A4
Sleep
3.0
Mode
V
+
-
50 V
40 µA
+
-
3.0 V
Sleep Mode
40 µA
50 V
A2
1.2
Logic
Logic
1.2
ILIMIT
Dual Mode
Dual Mode
ILIMIT
A5
50 V
1.2
Sleep
3.0
Mode
V
+
-
40 µA
Logic
+
-
3.0 V
Sleep Mode
40 µA
Logic
A3
50 V
1.2
ILIMIT
ILIMIT
P0
10 µA
Parallel Gate Control
and
Mode Control Logic
10 µA
P1
VPWR
10 µs Filter
P2
0.75 VDD +-
0.25 VDD +-
SQ
R
10 µA
Overvoltage
Shutdown
Low VDD Detect
and POR Timer
+
- 3.0 V
VDD
30 V
VDD
EN
Figure 1. 33397 Simplified Block Diagram
33397
2
For More Information OMnOTTOhRiOsLAPrAoNdALuOcGt,INTEGRATED CIRCUIT DEVICE DATA
Go to: www.freescale.com



Freescale Semiconductor Electronic Components Datasheet

MC33397 Datasheet

Dual/Hex Low-Side Switch

No Preview Available !

MC33397 pdf
Freescale Semiconductor, Inc.
A5
A4
SCLK
SI
GND
GND
GND
GND
SO
CS
A3
A2
1
2
3
4
5
6
7
8
9
10
11
12
24 VPWR
23 A0
22 P2
21 P1
20 GND
19 GND
18 GND
17 GND
16 P0
15 EN
14 A1
13 VDD
PIN FUNCTION DESCRIPTION
Pin Pin Name
Description
1, 2, 11, 12,
14, 23
A0 – A5
Power outputs
3
SCLK
SPI clock input
4 SI SPI serial input
5–8, 17–20
GND
Power and signal ground
9 SO SPI serial output
10 CS SPI chip select
13 VDD Supply input pin
15 EN Enable
16 P0 In hex mode, P0 controls output A0. In dual mode, P0 controls outputs A0, A4, and A5 simultaneously
21 P1 In hex mode, P1 controls output A1. In dual mode, P2 controls outputs A1, A2, and A3 simultaneously
22 P2 In hex mode, P2 controls output A2. P2 is also the mode control pin. If 0.25*VDD<P2<0.75*VDD for more than
10 µs, the 33397 will change to dual mode
24
VPWR
Overvoltage threshold shutdown monitoring pin (not a power supply pin for the IC)
MOTOROLA ANALOG INTEGRATED CIRFCoUIrTMDEoVrICeEIDnAfoTArmation On This Product,
Go to: www.freescale.com
33397
3




Part Number MC33397
Description Dual/Hex Low-Side Switch
Maker Freescale Semiconductor
Total Page 20 Pages
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