CSD13302W - 12V N-Channel NexFET MOSFET | Texas Instruments
MPN: CSD13302W ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.45 | $0.45 |
| 10 | $0.38 | $3.80 |
| 100 | $0.3 | $30.00 |
| 500 | $0.25 | $125.00 |
| 1,000 | $0.2 | $200.00 |
Drop-in alternatives for CSD13302W — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CSD13301W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13303W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13304W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13305W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13306W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13307W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13308W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13309W
✅ Drop-In📋 Reference alternative (not in catalog)
CSD13302W Maximum Ratings & Electrical Characteristics
| Technology | N-Channel MOSFET (NexFET) |
| Drain-Source Voltage (VDS) | 12 V |
| Continuous Drain Current (ID) | 1.6 A (Ta=25°C) |
| On-Resistance (RDS(on)) | 14.6 mΩ (typ) at VGS=4.5V |
| Gate Charge (Qg) | 4.1 nC (typ) at VGS=4.5V |
| Threshold Voltage (VGS(th)) | 0.9 V (typ) |
| Power Dissipation (PD) | 1.8 W (Ta=25°C) |
| Package | 4-DSBGA (1x1 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -55°C to +150°C |
| Maximum Gate-Source Voltage (VGS) | ±8 V |
| ESD Protection | Integrated |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| MSL Level | 1 (unlimited) |
CSD13302W Pin Configuration
| Pin A1 | G — Gate |
| Pin A2 | S — Source |
| Pin B1 | D — Drain |
| Pin B2 | D — Drain |
Safe Operating Area
Typical Applications
CSD13302W is suitable for 6 applications: Load Switching in Portable Electronics, Battery Protection Circuits, DC-DC Converter Synchronous Rectification, Power Management in Wearables, IoT and Smart Home Devices, Industrial Sensors and Actuators.
Load Switching in Portable Electronics
The CSD13302W is ideal for load switching in smartphones, tablets, and wearables due to its 1.6A current rating, low 14.6mΩ on-resistance, and ultra-small 1x1mm WLP package. It efficiently switches power rails with minimal voltage drop and PCB area, extending battery life. The low threshold voltage (0.9V) allows direct driving from low-voltage logic, simplifying the gate drive circuit. In a typical load switch configuration, the MOSFET is placed between the battery and the load, with the gate controlled by a GPIO. The low RDS(on) ensures minimal power loss, and the small package enables high-density PCB layouts. For higher current loads, consider the CSD13303W or CSD13308W.
Recommended
Battery Protection Circuits
In battery protection circuits, the CSD13302W acts as a series switch to disconnect the battery in overcurrent or overvoltage conditions. Its 12V VDS rating is suitable for single-cell Li-ion batteries (4.2V max), and the 1.6A current rating covers typical discharge currents. The low on-resistance minimizes voltage drop, preserving battery capacity. The WLP package's small size is advantageous in compact battery packs. The MOSFET's fast switching speed ensures quick response to fault conditions. For higher current battery packs, use the CSD13303W or CSD13308W. The device's ESD protection enhances reliability in harsh environments.
Recommended
DC-DC Converter Synchronous Rectification
The CSD13302W can be used as a low-side synchronous rectifier in low-power DC-DC converters. Its low gate charge (4.1nC) enables high-frequency switching, reducing inductor size and improving transient response. The 12V VDS rating is suitable for 5V or 3.3V output rails. The low RDS(on) minimizes conduction losses, improving efficiency. In a synchronous buck converter, the CSD13302W replaces the freewheeling diode, reducing forward voltage drop. The small package is ideal for point-of-load converters in portable devices. For higher current converters, consider the CSD13303W or CSD13308W.
Recommended
Power Management in Wearables
Wearables require ultra-compact components to fit in small form factors. The CSD13302W's 1x1mm WLP package and 0.4mm height make it ideal for smartwatches, fitness trackers, and hearables. It can be used for load switching of sensors, displays, and wireless modules. The low quiescent current of the MOSFET (essentially zero when off) helps extend battery life. The device's thermal performance is adequate for the low power levels in wearables. The low threshold voltage allows direct interfacing with 1.8V logic. For even smaller footprints, consider the CSD13301W, but it has a lower current rating.
Recommended
IoT and Smart Home Devices
In IoT devices, the CSD13302W is used for power gating of sensors, radios, and microcontrollers to reduce standby power. Its low leakage current (not specified but typical for MOSFETs) helps meet energy efficiency standards. The 12V rating is sufficient for battery-powered IoT nodes. The small package allows integration into compact sensor modules. The device's fast switching enables duty-cycled operation to save power. For applications requiring higher current, such as actuators, consider the CSD13303W. The CSD13302W is also suitable for smart home devices like thermostats and security cameras.
Recommended
Industrial Sensors and Actuators
The CSD13302W can be used in industrial sensor interfaces and low-power actuators. Its wide operating temperature range (-55°C to +150°C) suits harsh environments. The 12V rating is compatible with 12V industrial supply rails. The low on-resistance ensures minimal voltage drop in sensor power lines. The device's small package is beneficial in space-constrained industrial modules. For higher current actuators, consider the CSD13308W. The MOSFET's ESD protection enhances robustness in industrial settings. It can also be used in programmable logic controllers (PLCs) for output switching.
Recommended
Recommended Products Summary
Engineering reference data for CSD13302W — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CSD13301W | CSD13303W | CSD13304W |
|---|---|---|---|---|
| Package | 4-DSBGA (1x1) | 4-DSBGA (1x1) | 4-DSBGA (1x1) | 4-DSBGA (1x1) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Drain-Source Voltage (VDS) | 12 V | 12 V | 12 V | 20 V |
| Continuous Drain Current (ID) | 1.6 A | 1.2 A | 2.1 A | 1.6 A |
| On-Resistance (RDS(on)) | 14.6 mΩ | 20 mΩ | 10 mΩ | 18 mΩ |
| Gate Charge (Qg) | 4.1 nC | 3.5 nC | 5.0 nC | 4.5 nC |
| Threshold Voltage (VGS(th)) | 0.9 V | 0.9 V | 0.9 V | 1.0 V |
| Power Dissipation (PD) | 1.8 W | 1.5 W | 2.0 W | 1.8 W |
Key Differentiators
- Ultra-small 1x1mm WLP package (vs CSD15571Q2 (2x2mm SON))
- Low on-resistance of 14.6mΩ (vs CSD13301W (20mΩ))
- Low gate charge of 4.1nC (vs CSD13303W (5.0nC))
Design Notes
The CSD13302W in a 1x1mm WLP package has a power dissipation of 1.8W at 25°C ambient. For continuous operation near this limit, ensure adequate PCB copper area and thermal vias to spread heat. The junction-to-ambient thermal resistance is not specified in the provided data, but typical WLP packages require a solid thermal pad connection. For high-current applications, consider using a larger package like the CSD13303W to improve thermal performance.
The WLP package has very small solder pads (0.25mm pitch). Use a stencil with appropriate aperture size to ensure proper solder paste deposition. Place the device on a flat, clean PCB surface with adequate solder mask opening. Follow TI's recommended land pattern from the datasheet for optimal solder joint reliability. Avoid excessive solder paste to prevent bridging between pads.
Ensure the gate drive voltage is at least 4.5V to achieve the specified low on-resistance. Operating at lower VGS will increase RDS(on) and power loss. Also, do not exceed the maximum VGS of ±8V, as this can damage the gate oxide. The device has integrated ESD protection, but proper handling procedures should still be followed to avoid damage during assembly.
Compliance Information
RoHS compliant and lead-free per TI product page. AEC-Q100 qualification not mentioned in provided data.
