Free hotline:
+86 135 5637 6665
+852 2632 9637
Image shown is a representation only.
Exact specifications should be obtained from the product data sheet.
Hot-selling and scarce MCZ33291EGR2 Eight-Output Switch with Serial Peripheral Interface I/O SOP24 spot stock
MCZ33291EGR2 Eight-Output Switch with Serial Peripheral Interface I/O SOP24 spot stock
Product Descriptions
The 33291 device is an eight-output, low-side power switch with 8- 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.
The circuit’s innovative monitoring and protection features include very low standby current, SPI cascade fault reporting capability, internal 53 V clamp on each output, output-specific diagnostics, and independent shutdown of outputs.
The device is parametrically specified over an ambient temperature range of -40°C ≤ TA ≤ 125°C and 9.0 V ≤ VPWR ≤ 16 V supply.
Product 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 3.0MHz
• 1.0 A Peak Current Outputs with Maximum RDS(ON) of 1.6 Ω at TJ - 150°C
• Outputs Current-Limited to Accommodate In-Rush Currents Associated with Switching Incandescent Loads
• Output Voltages Clamped to 53 V During Inductive Switching
• Maximum Sleep Current (IPWR) of 25 μA
• Maximum of 4.0 mA IDD During Operation
• Pb-Free Packaging Designated by Suffix Code EG
Product Specification
| Attribute | Attribute value |
| ANSM-Part# | ANSM-MCZ33291EGR2 |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Power Distribution Switches, Load Drivers | |
| Mfr | - |
| Packaging | Tape & Reel (TR) |
| Part Status | Obsolete |
| Switch Type | General Purpose |
| Number of Outputs | 8 |
| Ratio - Input:Output | 1:8 |
| Output Configuration | Low Side |
| Output Type | N-Channel |
| Interface | SPI |
| Voltage - Load | 9V ~ 26.5V |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Current - Output (Max) | 500mA |
| Rds On (Typ) | 550mOhm |
| Fault Protection | Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 24-SOIC |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Base Product Number | MCZ33291 |
Product Photos

For more product information, please download the PDF