MCZ33291EG Freescale Semiconductor, MCZ33291EG Datasheet

IC SWITCH 8X LOSIDE W/SPI 24SOIC

MCZ33291EG

Manufacturer Part Number
MCZ33291EG
Description
IC SWITCH 8X LOSIDE W/SPI 24SOIC
Manufacturer
Freescale Semiconductor
Type
Low Sider
Datasheet

Specifications of MCZ33291EG

Input Type
SPI
Number Of Outputs
8
On-state Resistance
550 mOhm
Current - Output / Channel
500mA
Current - Peak Output
3A
Voltage - Supply
9 V ~ 26.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Switch Type
Low Side
Power Switch Family
MCZ33291
Input Voltage
-0.3 to 7V
Power Switch On Resistance
600mOhm
Output Current
500mA
Mounting
Surface Mount
Supply Current
1mA
Package Type
SOIC W
Operating Temperature (min)
-40C
Operating Temperature Classification
Automotive
Pin Count
24
Power Dissipation
2W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCZ33291EG
Manufacturer:
FREESCALE
Quantity:
20 000
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2008. All rights reserved.
Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as
may be required, to permit improvements in the design of its products.
Eight-Output Switch with Serial
Peripheral Interface I/O
bit serial input control. The 33291 is a versatile circuit designed for
automotive applications, but is well suited for other environments. The
33291 incorporates SMARTMOS technology, with CMOS logic,
bipolar/MOS analog circuitry, and DMOS power MOSFETs. The 33291
interfaces directly with a microcontroller to control various inductive or
incandescent loads.
very low standby current, SPI cascade fault reporting capability,
internal 53 V clamp on each output, output-specific diagnostics, and
independent shutdown of outputs.
range of -40 C
Features
• Designed to Operate Over Wide Supply Voltages of 5.5 V to 26.5 V
• Interfaces to Microprocessor Using 8-Bit SPI I/O Protocol up to 3.0
• 1.0 A Peak Current Outputs with Maximum R
• Outputs Current-Limited to Accommodate In-Rush Currents
• Output Voltages Clamped to 53 V During Inductive Switching
• Maximum Sleep Current (I
• Maximum of 4.0 mA I
• Pb-Free Packaging Designated by Suffix Code EG
The 33291 device is an eight-output, low-side power switch with 8-
The circuit’s innovative monitoring and protection features include
The device is parametrically specified over an ambient temperature
MHz
150 C
Associated with Switching Incandescent Loads
T
A
125 C and 9.0 V
DD
During Operation
PWR
) of 25 A
Figure 1. 33291 Simplified Application Schematic
MCU
V
PWR
V DD
DS(ON)
16 V supply.
of 1.6
VPWR
SFPD
VDD
CS
SCLK
SI
SO
RESET
33291
at T
GND
OP 0
OP 1
OP 2
OP 3
OP 4
OP 5
OP 6
OP 7
J
-
MC33291DW/R2
MCZ33291EG/R2
Device
ORDERING INFORMATION
V PWR
EG SUFFIX (PB-FREE)
LOW-SIDE SWITCH
98ASB42344B
24-PIN SOICW
33291
-40 C to 125 C
DW SUFFIX
Document Number: MC33291
Temperature
Range (T
A
)
Rev 5, 07/2008
24 SOICW
Package

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MCZ33291EG Summary of contents

Page 1

... Figure 1. 33291 Simplified Application Schematic Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2008. All rights reserved supply. PWR Device of 1 DS(ON) J MC33291DW/R2 MCZ33291EG/ 33291 VPWR SFPD OP 2 VDD SCLK OP 5 ...

Page 2

... Detect From Detectors 1–7 Figure 2. 33291 Simplified Block Diagram = All outputs are latched off while the SPI register is reset PWR Output Gates Outputs 1– 11–14, 23 lLimit + Grounds 5–8, 17–20 has decayed below 26.5 V. PWR Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 3

... Short Fault Protect Disable Logic Supply PWR 21 V Output MOSFET Gate Drive Supply 22 RST Reset 23 OP1 Output 1 24 OP0 Output 0 Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS OP7 1 24 OP0 OP6 OP1 2 23 SCLK RST VPWR 4 21 GND GND 5 ...

Page 4

... ZAP ZAP Value -1.5 to 26.5 - -0.3 to 7.0 DD -0 1.0 to 3.0 500 ±2000 ±200 50 3.0 SPI -55 to 150 STG -40 to 125 C T -40 to 150 J 2.0 D Note 11. = 1500 ), ESD2 testing is performed in ZAP Analog Integrated Circuit Device Data Freescale Semiconductor Unit MHz °C ...

Page 5

... Per SEMI G38-87 and JEDEC JESD51-2 with the single layer board (JESD51-3) horizontal. 14. Per JEDEC JESD51-6 with the board (JESD51-7) horizontal. 15. Thermal resistance between the die and the printed circuit board per JEDEC JESD51-8. Analog Integrated Circuit Device Data Freescale Semiconductor ELECTRICAL CHARACTERISTICS Symbol R (12) (13) ...

Page 6

... V – 1.0 4.0 mA – – 2.5 – 3.5 V – – 2.0 – 0.6 1.2 – 0.55 1.0 – – 3.0 – 1.2 1.6 – 1.0 1.2 A 1.0 2.0 3.0 V 2.5 3.0 3.5 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 7

... This parameter is guaranteed by design, but it is not production tested. 24. Upper and lower logic threshold voltage levels apply to SI, 25. Hysteresis is characterized, but it is not production tested. 26. Input capacitance SCLK, CS RST tested. 27. Tri-state capacitance of SO for 0 V < V Analog Integrated Circuit Device Data Freescale Semiconductor 5 PWR = BAT A Symbol I OCO DD V ...

Page 8

... resistive load. PWR L ) with resistive load. PWR L to 10% Output OFF voltage ( PWR PWR ). PWR 7, page 10. Analog Integrated Circuit Device Data Freescale Semiconductor Unit ...

Page 9

... SCLK SI Don't Care 33291 SCLK Under Test C represents the total capacitance of the test fixture and probe. L Figure 5. Valid Data Delay Time and Valid Time Test Circuit Analog Integrated Circuit Device Data Freescale Semiconductor TIMING DIAGRAM W(SCLKH LEAD W(SCLKL) SI(SU) t SI(HOLD) 0 ...

Page 10

... VTri-State 10% t SO(DIS) t SO(DIS) VOH C represents the total capacitance of the test fixture and probe. L VTri-State Figure 10. Output Fault Unlatch Disable PWR 33291 Output Under Test 5 PWR L 33291 Output Under Test Delay Test Circuit Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 11

... DLY(ON) DLY(OFF) times. 2. Turn-OFF is an output programmed from OFF state. 3. Turn- output programmed from and OFF state. Figure 11. Turn-On/-Off Waveforms Analog Integrated Circuit Device Data Freescale Semiconductor t R(SI) < 5 Output Voltage 14 V Waveform ...

Page 12

... SPI) is required for chip select to control 32 possible loads. 33291 MOSI SI Shift Register MISO SO SCLK To Logic RST CS ), the maximum output PWR DS(ON) (0.9 typical) and increases to is decreased to 5.5 V. PWR Figure Analog Integrated Circuit Device Data Freescale Semiconductor 14, ...

Page 13

... MCU to the other in an orderly manner. The master MCU supplies the system clock signal (top MCU designated the master); the lower MCU being the slave possible to have a system with more than one master; Analog Integrated Circuit Device Data Freescale Semiconductor SCLK CS SCLK SI ...

Page 14

... Ports A2 8-Bit SO SCLK 8-Bit SI MISO MOSI V DD 33291 SS CS SCLK MC68XX 8-Bit SO Microcontroller SPI SI (Alternate Master) B0 Parallel A0 33291 Ports SCLK SCLK 8-Bit 8-Bit MISO SO V MOSI Figure 16. Multiple MCU SPI Control 8 Outputs 8 Outputs 8 Outputs Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 15

... CS OFF) is synchronously loaded into the Shift register per the Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL PIN DESCRIPTION data-bit SI state. The Shift register is full after eight bits of information have been entered. To preserve data integrity, care should be taken to not transition SI as SCLK transitions from a low-to-high logic state ...

Page 16

... A per output. Each output current PWR of MOSFETs DS(ON) while the Output OFF DS(ON with current DS(ON) and output clamp voltage DS(ON) between outputs of the DS(ON) and clamp voltage of the DS(ON) Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 17

... Analog Integrated Circuit Device Data Freescale Semiconductor Figure 18. Data Transfer Timing FUNCTIONAL DESCRIPTION 33291 17 ...

Page 18

... MOSFET output to an internally generated reference. Each output has one dedicated comparator for this purpose. 33291 Low = Fault MOSFET OFF + – V Thres 2 3.5 V Figure 19. Output OFF Open Load Fault Analog Integrated Circuit Device Data Freescale Semiconductor pin causes the V PWR R L Output 50 A ...

Page 19

... OFF, allowing all remaining outputs to operate normally. Analog Integrated Circuit Device Data Freescale Semiconductor All three protection mechanisms are incorporated in their output, affording robust independent output operation. The analog current limit circuit is always active and monitors the output drain current ...

Page 20

... Soft overcurrent faults can condition will result in the global DD goes below the DD is between 5.5 V PWR . Proper operation at V PWR PWR Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 21

... The components R through R represent the steady state thermal resistance of d7 Analog Integrated Circuit Device Data Freescale Semiconductor the silicon die for transistor outputs 0 through 7, while C through C represent the corresponding thermal d7 capacitance of the silicone die translator outputs and plastic. ...

Page 22

... R pkg = R leads + R PC Board Ambient Temperature Node R C pkg pkg (C° (F)* (1 1°C Ambient Temperature) 33 0.15 Figure 23 depicts the per output limit Figure 25 illustrates output value is affected by junction Output 6 Output pkg = C flag + C PC Board Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 23

... Outputs ON (34°C/W) 0.5 0 -50 - Ambient Temperature (C°) A Figure 24. Maximum SOP Package Steady State Output Current vs. Ambient Temperature Analog Integrated Circuit Device Data Freescale Semiconductor 1.0 @ 150°C=0.8 0.9 T =150°C J 0.8 0.7 0.6 0.5 0.4 0.3 100 125 150 -50 Figure 25 ...

Page 24

... PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below. 33291 24 PACKAGING PACKAGE DIMENSIONS DW SUFFIX EG SUFFIX PB-FREE) 24-PIN 98ASB42344B ISSUE G Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 25

... Analog Integrated Circuit Device Data Freescale Semiconductor DW SUFFIX EG SUFFIX PB-FREE) 24-PIN 98ASB42344B ISSUE G PACKAGING PACKAGE DIMENSIONS 33291 25 ...

Page 26

... Converted to Freescale format and prevailing form and style • Added EPP prefix suffix device • Removed MC33291EG/R2 and replaced with MCZ33291EG/R2 in the Ordering Information block • Removed Peak Package Reflow Temperature During Reflow (solder reflow) parameter 10/2006 4.0 from from www ...

Page 27

... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...

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