MPC17550EVEL Equivalent & Substitute Parts

Part Overview

The MPC17550EVEL is a bipolar motor driver power MOSFET integrated circuit manufactured by NXP USA Inc., designed for fully integrated control and power stage applications in brushed DC and stepper motor systems. This device operates across a 2.5V to 5.5V supply voltage range with 700mA output current capability and supports load voltages from 1.6V to 5.5V. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional compatibility while meeting current supply chain requirements.

Substiute Parts

MPC17550EVEL

NXP USA Inc.In Stock: 1479MPC17550EVEL Datasheet

Current PartRFQ

TB62212FNG,C8,EL

Toshiba Semiconductor and StorageIn Stock: 1090TB62212FNG,C8,EL Datasheet

MFR RecommendedRFQ

TB62212FTAG,C8,EL

Toshiba Semiconductor and StorageIn Stock: 6779TB62212FTAG,C8,EL Datasheet

MFR RecommendedRFQ

TC78S121FNG,EL

Toshiba Semiconductor and StorageIn Stock: 814TC78S121FNG,EL Datasheet

MFR RecommendedRFQ

TC78S121FTG,EL

Toshiba Semiconductor and StorageIn Stock: 4761TC78S121FTG,EL Datasheet

MFR RecommendedRFQ

TC78S122FNG,EL

Toshiba Semiconductor and StorageIn Stock: 1100TC78S122FNG,EL Datasheet

MFR RecommendedRFQ

TC78S122FTG,EL

Toshiba Semiconductor and StorageIn Stock: 1110TC78S122FTG,EL Datasheet

MFR RecommendedRFQ

TB62212FNG,C8,EL

Toshiba Semiconductor and StorageIn Stock: 1090TB62212FNG,C8,EL Datasheet

MFR RecommendedRFQ

TB62212FTAG,C8,EL

Toshiba Semiconductor and StorageIn Stock: 6779TB62212FTAG,C8,EL Datasheet

MFR RecommendedRFQ

TC78S121FNG,EL

Toshiba Semiconductor and StorageIn Stock: 814TC78S121FNG,EL Datasheet

MFR RecommendedRFQ

TC78S121FTG,EL

Toshiba Semiconductor and StorageIn Stock: 4761TC78S121FTG,EL Datasheet

MFR RecommendedRFQ

TC78S122FNG,EL

Toshiba Semiconductor and StorageIn Stock: 1100TC78S122FNG,EL Datasheet

MFR RecommendedRFQ

TC78S122FTG,EL

Toshiba Semiconductor and StorageIn Stock: 1110TC78S122FTG,EL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MPC17550EVEL are identified based on the following critical parameters that determine functional compatibility:

Core Functional Criteria:

• Motor type support: Bipolar stepper and brushed DC motor capability
• Output configuration: Half Bridge (8) topology
• Interface type: Parallel control interface
• Technology: Power MOSFET implementation
• Fully integrated control and power stage architecture

Electrical Operating Range:

• Supply voltage compatibility within specified ranges
• Load voltage support for target applications
• Output current capability sufficient for motor drive requirements
• Operating temperature range coverage

Physical and Compliance Considerations:

• Surface mount technology requirement
• RoHS compliance status (active substitutes are ROHS3 compliant)
• Moisture sensitivity level and storage requirements

All identified substitute parts from Toshiba Semiconductor and Storage (TB62212 and TC78S1xx series) maintain the core functional architecture, half-bridge output configuration, parallel interface, and power MOSFET technology. These parts operate as active alternatives with enhanced electrical specifications and modern compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Supply Voltage Consideration: The MPC17550EVEL operates at 2.5V to 5.5V supply voltage. All Toshiba substitute parts operate at 4.5V to 5.5V, representing a narrower supply range. Applications requiring operation below 4.5V supply voltage cannot use these substitutes without circuit redesign.

Load Voltage Consideration: The MPC17550EVEL supports load voltages from 1.6V to 5.5V. TB62212 series parts support 10V to 38V load voltage, while TC78S121 and TC78S122 series support 8V to 38V. Applications with load voltages below 8V require evaluation against substitute specifications.

Output Current: Substitute parts provide 2A output current compared to the MPC17550EVEL's 700mA, offering enhanced current capability for higher-power motor applications.

Active Product Status: All Toshiba substitute parts maintain active product status with current manufacturing support, addressing the obsolescence of the MPC17550EVEL.

RoHS Compliance: All substitute parts are ROHS3 compliant, meeting modern environmental and regulatory requirements. The MPC17550EVEL is RoHS non-compliant.

Package Differences: Substitute parts use 48-pin packages (48-TFSOP or 48-VFQFN) compared to the 36-pin SSOP package of the MPC17550EVEL. PCB layout redesign is required for package migration.

Temperature Range: TB62212 series parts support -40°C to 150°C operating temperature, exceeding the MPC17550EVEL's -10°C to 150°C range. TC78S121 and TC78S122 series support -20°C to 150°C.

Moisture Sensitivity: TC78S121FTG,EL offers MSL 1 (Unlimited) storage, providing superior moisture handling compared to other substitutes and the original part.

Frequently Asked Questions (FAQ)

Q: Can TB62212FNG,C8,EL directly replace MPC17550EVEL without circuit modification?

A: No. While both are bipolar motor drivers with half-bridge output configuration and parallel interface, the TB62212FNG,C8,EL uses a 48-pin TFSOP package versus the MPC17550EVEL's 36-pin SSOP package. PCB layout redesign is required. Additionally, the supply voltage range differs (4.5V-5.5V versus 2.5V-5.5V), and load voltage specifications differ (10V-38V versus 1.6V-5.5V). Circuit evaluation is necessary to confirm compatibility with your application's voltage requirements.

Q: What is the difference between TB62212FTAG,C8,EL and TB62212FNG,C8,EL?

A: Both are Toshiba TB62212 bipolar motor drivers with identical electrical specifications. The primary difference is package type: TB62212FTAG,C8,EL uses 48-VFQFN (Quad Flat No-Lead) package, while TB62212FNG,C8,EL uses 48-TFSOP (Thin Shrink Small Outline Package). Electrical performance and pin functionality are equivalent. Package selection depends on PCB layout requirements and manufacturing capabilities.

Q: Why do TC78S122 parts list step resolution while TC78S121 parts do not?

A: TC78S122FNG,EL and TC78S122FTG,EL support step resolution options of 1, 1/2, and 1/4, providing enhanced stepper motor control flexibility. TC78S121FNG,EL and TC78S121FTG,EL do not specify step resolution capability. For stepper motor applications requiring fractional stepping, TC78S122 series is the appropriate selection.

Q: What is the significance of MSL (Moisture Sensitivity Level) differences?

A: Moisture Sensitivity Level indicates storage and handling requirements. TC78S121FTG,EL has MSL 1 (Unlimited storage), requiring no special moisture control. TB62212 and TC78S122 parts have MSL 3 (168 hours), requiring storage in controlled humidity environments and baking before reflow soldering if storage time exceeds 168 hours. For high-volume or long-term inventory applications, TC78S121FTG,EL offers simplified logistics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified Toshiba substitute parts (TB62212 and TC78S1xx series) are ROHS3 compliant. The original MPC17550EVEL is RoHS non-compliant. If your application or customer requirements mandate RoHS compliance, any of the listed substitutes satisfy this requirement.

Q: Can I use a substitute part if my application requires supply voltage below 4.5V?

A: No. All Toshiba substitute parts specify minimum supply voltage of 4.5V. The MPC17550EVEL operates down to 2.5V. If your application requires operation below 4.5V supply voltage, these substitutes are not compatible. Alternative solutions outside this substitute list must be evaluated.

Q: What inventory levels are available for each substitute part?

A: TB62212FTAG,C8,EL has 6762 pieces in stock. TB62212FNG,C8,EL has 1018 pieces. TC78S121FTG,EL has 4662 pieces. TC78S121FNG,EL has 751 pieces. TC78S122FTG,EL has 1004 pieces. TC78S122FNG,EL has 1076 pieces. Inventory levels support both prototype and production volume requirements.