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Texas Instruments TPS22924BYZZT
- Part No.:
- TPS22924BYZZT
- Manufacturer:
- Texas Instruments
- Package:
- 6-XFBGA, DSBGA
- Datasheet:
-
TPS22924BYZZT.pdf
- Description:
- IC PWR SWITCH N-CHAN 1:1 6DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,331
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Product details
Overview
TPS22924BYZZT from Texas Instruments is a single-channel, 2-A ultra-low-RON load switch with controlled slew-rate turn-on, designed for power rail sequencing and inrush current limiting in space-constrained portable systems. It features 18.3 mΩ on-resistance at 3.6 V input, integrated quick-output discharge (1250 Ω pulldown), and operates across 0.75 V to 3.6 V supply range - enabling use in low-voltage logic domains of smartphones and medical wearables.
For engineers reviewing the TPS22924BYZZT datasheet, TPS22924BYZZT pinout, TPS22924BYZZT application, or TPS22924BYZZT equivalent, key selection criteria include its 96 µs rise time (VIN = 3.6 V), DSBGA-6 package (0.9 mm × 1.4 mm, 0.35 mm height), −40°C to +85°C operating range, and compatibility with 1.2-V/1.8-V GPIO control signals.
Technical Context
The TPS22924BYZZT integrates an N-channel MOSFET with an internal charge pump to ensure full enhancement across its 0.75–3.6 V input range, eliminating gate drive dependency on external voltage rails. Its controlled 96 µs rise time (typical at VIN = 3.6 V) is achieved via internal slew-rate circuitry, not external RC networks.
It includes a dedicated output pulldown transistor that actively discharges VOUT to ~10% of rail voltage upon turn-off, then auto-disconnects to minimize shutdown leakage. The ON pin accepts low-threshold logic inputs (VIH as low as 0.6 V at VIN ≥ 2.5 V), supporting direct interface with sub-1.8 V microcontrollers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 0.75 V to 3.6 V - supports direct connection to Li-ion battery discharge curves and low-voltage I/O domains. |
| Continuous Switch Current | 2 A - enables powering of moderate-current peripherals (e.g., USB PHY, display backlight drivers) without derating at 85°C. |
| On-Resistance (RON) | 18.3 mΩ at VIN = 3.6 V - yields ≤73 mV drop at 4 A peak, minimizing conduction loss and thermal rise in compact layouts. |
| Rise Time (tr) | 96 µs (typical, VIN = 3.6 V) - limits inrush current to <40 mA with 1 µF output capacitance, preventing supply rail collapse. |
| Shutdown Current | 3.5 µA (max) - ensures negligible battery drain during system sleep modes in always-on sensor nodes. |
| ESD Rating | ±5000 V HBM - meets industrial handling requirements without additional protection circuitry. |
| Operating Temperature | −40°C to +85°C - qualified for consumer and portable industrial equipment environments. |
Pinout & Package
TPS22924BYZZT uses a 0.9 mm × 1.4 mm, 0.35-mm-height DSBGA-6 (YZZ) package with solder bumps on bottom side. Pin 1 identifier is marked by a dot on top-side marking (e.g., "7A").
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| C1 | GND | Power ground reference; must be connected to low-impedance PCB ground plane for thermal and EMI performance. |
| C2 | ON | Active-high enable input; VIH as low as 0.6 V allows direct interfacing with 1.2-V/1.8-V GPIOs without level shifters. |
| A1, B1 | VOUT | Switched output node; connects to downstream load; requires local ceramic decoupling (≥1 µF) near pin. |
| A2, B2 | VIN | Input power rail; bypassed with ≥1 µF ceramic capacitor to GND to suppress inrush-induced VIN dip. |
Key Features
| Feature | Design Value |
|---|---|
| Controlled Slew Rate | 96 µs rise time (VIN = 3.6 V) eliminates need for external RC snubbers while ensuring predictable inrush current. |
| Integrated Output Discharge | 1250 Ω pulldown FET actively drains VOUT to ~0.36 V (10% of 3.6 V) before auto-disabling - prevents floating outputs and reduces standby leakage. |
| Ultra-Small DSBGA-6 Package | 0.9 mm × 1.4 mm footprint with 0.35 mm height - fits within tight board real estate of wearable and hearing aid designs. |
| Low Threshold ON Input | VIH = 0.6 V (min) at VIN ≥ 2.5 V - enables direct control from low-voltage MCUs (e.g., MSP430, nRF52) without pull-up resistors or buffers. |
| Charge Pump Gate Drive | Internal charge pump fully enhances NMOS switch down to 0.75 V input - avoids body diode conduction and enables bidirectional blocking. |
Applications
| Smartphones | Portable Medical Devices |
|---|---|
|
Use Scenario: Powering camera module and fingerprint sensor only during active use to extend battery life. IC Role / Device Role / Timing Role: Load switch enabling/disabling 1.8-V and 2.8-V rails under MCU GPIO control with controlled ramp-up. Use Value: 96 µs rise time limits inrush to <35 mA per rail, preventing brownout of baseband processor during concurrent peripheral activation. |
Use Scenario: Isolating glucose monitor sensor analog front-end from main SoC during sleep cycles. IC Role / Device Role / Timing Role: Low-leakage (3.5 µA max) power gate ensuring <1 µA total system sleep current. Use Value: Integrated 1250 Ω pulldown discharges sensor bias network in <1 ms, eliminating residual offset errors on wake-up. |
| Notebooks / Tablet PCs | Point-of-Sale Terminals |
|
Use Scenario: Sequencing SSD power after main 3.3-V rail stabilizes to prevent enumeration failures. IC Role / Device Role / Timing Role: Controlled-turn-on switch with precise 96 µs delay between rail enable and data bus readiness. Use Value: 18.3 mΩ RON minimizes voltage drop (<37 mV at 2 A), maintaining PCIe Gen3 signal integrity at VCCIO. |
Use Scenario: Enabling barcode scanner motor and imager only when triggered by host MCU. IC Role / Device Role / Timing Role: 2-A capable switch with fast 3 µs turn-off time ensuring immediate power cutoff during fault detection. Use Value: DSBGA-6 package allows placement directly behind scanner connector, reducing trace inductance and EMI radiation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS22924BYZPRB | Same electrical specs; YZP package (0.5 mm height, backside coating) improves mechanical robustness against board flex cracking. | Better suited for high-reliability industrial handhelds subject to repeated mechanical stress. | Select when board-level reliability under mechanical shock/vibration is prioritized over minimal Z-height. |
| TPS22924CYZZR | Slower 800 µs rise time (vs. 96 µs); identical RON, package, and pinout. | Used where stricter inrush limits (<5 mA) are required, e.g., battery-powered IoT sensors with large output capacitance. | Choose only if slower turn-on is acceptable - not a drop-in replacement due to timing-critical behavior differences. |
Compared with TPS22924BYZZT, the YZPRB variant offers enhanced mechanical durability without electrical trade-offs, while the CYZZR provides significantly slower turn-on for ultra-low inrush - making TPS22924BYZZT optimal for balanced speed, size, and efficiency in mainstream portable designs.
Availability
TPS22924BYZZT is available at Aetrix Electronics and suitable for smartphones, portable medical devices, notebooks/tablet PCs, and point-of-sale terminals requiring stable component supply across extended production lifecycles.
Supply support for TPS22924BYZZT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in power management ICs for portable and industrial applications.
The TPS22924x family was developed to deliver ultra-compact, low-RON load switching for battery-powered systems where board space, inrush control, and standby efficiency are critical design constraints.
FAQ
What is the maximum continuous current rating for the TPS22924BYZZT?
The TPS22924BYZZT supports a maximum continuous switch current of 2 A over the full operating temperature range of −40°C to +85°C. This rating assumes proper PCB thermal design (e.g., adequate copper pour on GND and VIN/VOUT pads) and is validated per TI's recommended layout guidelines in the datasheet. Peak pulsed current capability is 4 A for 100-µs pulses at 2% duty cycle.
Does the TPS22924BYZZT require an external pull-up resistor on the ON pin?
No, the TPS22924BYZZT does not require an external pull-up resistor on the ON pin. Its ON input has a low threshold (VIH as low as 0.6 V at VIN ≥ 2.5 V) and is designed for direct interface with standard GPIO outputs, including those from 1.2-V and 1.8-V microcontrollers. Leaving the ON pin floating is prohibited - it must be driven actively high or low.
What is the purpose of the output pulldown feature in the TPS22924BYZZT?
The TPS22924BYZZT includes an integrated 1250 Ω output pulldown transistor that activates during turn-off to discharge VOUT to approximately 10% of the input rail voltage. This prevents floating outputs, eliminates residual charge on downstream capacitors, and reduces leakage-induced measurement errors - especially critical in precision analog or sensor subsystems. The pulldown auto-disconnects once discharge completes to minimize shutdown current.
Can the TPS22924BYZZT operate from a 0.8-V input supply?
Yes, the TPS22924BYZZT is specified to operate from 0.75 V to 3.6 V input voltage. At VIN = 0.8 V, its on-resistance increases to approximately 22.7 mΩ (typical), and rise time extends to ~160 µs (VIN = 0.9 V, TPS22924B). It remains fully functional and retains all control features, including low-threshold ON pin operation and output pulldown, making it suitable for ultra-low-voltage energy harvesting or coin-cell applications.
Is the TPS22924BYZZT pin-compatible with other variants in the TPS22924x family?
Yes, the TPS22924BYZZT shares identical pin configuration, package footprint (DSBGA-6 YZZ), and electrical pin functions with all TPS22924x variants (including TPS22924BYZR, TPS22924BYZPRB, and TPS22924CYZZR). All variants use the same A1/B1 = VOUT, A2/B2 = VIN, C1 = GND, C2 = ON layout - enabling direct PCB reuse across B- and C-grade versions when timing requirements allow.
TPS22924BYZZT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 6-XFBGA, DSBGA
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- General Purpose
- Number of Outputs:
- 1
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- High Side
- Output Type:
- N-Channel
- Interface:
- On/Off
- Voltage - Load:
- 0.75V ~ 3.6V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 2A
- Rds On (Typ):
- 18.3mOhm
- Input Type:
- Non-Inverting
- Features:
- Load Discharge, Slew Rate Controlled
- Fault Protection:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DSBGA
TPS22924BYZZT FAQ
1.How can I place an order for TPS22924BYZZT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS22924BYZZT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS22924BYZZT reliable?
The price and inventory of TPS22924BYZZT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS22924BYZZT is usually 5 days.
3.What payment methods are accepted for TPS22924BYZZT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS22924BYZZT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS22924BYZZT?
TPS22924BYZZT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS22924BYZZT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS22924BYZZT?
For technical support, including TPS22924BYZZT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS22924BYZZT requirements.
6.How does Aetrix verify that TPS22924BYZZT is sourced from the original manufacturer or authorized distributors?
All TPS22924BYZZT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS22924BYZZT meets industry standards.
7.What is the process for return or replacement of TPS22924BYZZT?
All TPS22924BYZZT units undergo pre-shipment inspection (PSI). If there is an issue with TPS22924BYZZT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS22924BYZZT part is unused and in its original packaging.
Return procedure for TPS22924BYZZT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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