EMB1428QSQ/NOPB Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The EMB1428QSQ/NOPB is a half-bridge-based MOSFET gate driver from Texas Instruments designed for active cell balancing switch matrix applications. It delivers up to 10.8A peak output current in a compact 48-pin QFN package. Available lead-free (NOPB) with worldwide in-stock shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- EMB1428QSQ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Half-bridge based MOSFET driver architecture with 10.8A nominal peak output current enables fast switching of large MOSFET arrays in battery cell balancing systems
- Optimized for active cell balancing switch matrices, supporting precise charge redistribution between individual battery cells in multi-cell packs
- 48-pin QFN package (JESD-30 S-PQCC-N48) provides excellent thermal performance and compact footprint for high-density BMS board designs
- RoHS-compliant lead-free (NOPB, JESD-609 e3) construction with YTEOL rating of 15 years ensures long-term reliability in automotive and industrial battery management applications
Applications
The EMB1428QSQ/NOPB is specifically designed for active cell balancing circuits in multi-cell lithium-ion battery packs used in electric vehicles, energy storage systems, and industrial UPS applications. It drives the MOSFET switch matrix that redistributes charge from higher-capacity cells to lower-capacity cells, extending overall pack life and efficiency. Its high peak drive current and dedicated interface make it a key component in sophisticated battery management systems requiring precise per-cell voltage equalization.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| High Side Driver | NO |
| Input Characteristics | STANDARD |
| Interface IC Type | HALF BRIDGE BASED MOSFET DRIVER |
| JESD-30 Code | S-PQCC-N48 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Characteristics | STANDARD |
| Output Peak Current Limit-Nom | 10.8A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC48,.27SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Supply Current-Max | 0.18mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Supply Voltage1-Max | 13.2V |
| Supply Voltage1-Min | 12V |
| Supply Voltage1-Nom | 13.2V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the peak output current of the EMB1428QSQ/NOPB gate driver?
The EMB1428QSQ/NOPB provides a nominal output peak current limit of 10.8A, enabling it to rapidly charge and discharge the gate capacitances of large power MOSFETs in switch matrix configurations for active battery cell balancing.
What is the primary application of the EMB1428QSQ/NOPB?
It is specifically designed as a switch matrix gate driver for active cell balancing in multi-cell battery packs. Active cell balancing redistributes energy between battery cells to improve capacity utilization, extend cycle life, and maintain pack safety in EV and energy storage systems.
What package does the EMB1428QSQ/NOPB use and what are its thermal benefits?
The device comes in a 48-pin QFN package (JESD-30 code S-PQCC-N48), which features an exposed thermal pad on the bottom for efficient heat dissipation. This is critical in high-current gate driver applications where power dissipation must be managed carefully.
Is the EMB1428QSQ/NOPB suitable for automotive-grade battery management applications?
Yes, the NOPB suffix confirms it is lead-free and RoHS compliant (JESD-609 e3), and its YTEOL rating of 15 years indicates suitability for long-lifecycle applications such as automotive battery management systems and industrial energy storage systems.
How does the EMB1428QSQ/NOPB differ from a standard half-bridge gate driver?
Unlike general-purpose half-bridge drivers, the EMB1428QSQ/NOPB is optimized for switch matrix topologies used in cell balancing, providing the specific control interface, current levels, and integration density needed to manage large MOSFET arrays across many battery cells simultaneously.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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