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NXP Semiconductors TEA1721ADB1059,598
- Part No.:
- TEA1721ADB1059,598
- Manufacturer:
- NXP Semiconductors
- Package:
- Datasheet:
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TEA1721ADB1059,598.pdf
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- EVAL BOARD FOR TEA1721
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Product details
Overview
TEA1721ADB1059,598 from NXP is a GreenChip SMPS controller IC with integrated 700 V high-voltage MOSFET, designed for primary-side regulated flyback converters up to 5 W. It delivers <10 mW no-load power, ±5% CV/±10% CC regulation, and operates with variable switching frequency up to 50.5 kHz - enabling Energy Star 2.0–compliant USB battery chargers.
For engineers reviewing the TEA1721ADB1059,598 datasheet, TEA1721ADB1059,598 pinout, TEA1721ADB1059,598 application, or TEA1721ADB1059,598 equivalent, key selection criteria include primary-sensed voltage control, EEPROM-programmable burst frequency (430 Hz), cable impedance compensation, jitter-enabled EMI reduction, and SO-7 halogen-free package compatibility.
Technical Context
The TEA1721ADB1059,598 implements primary-side regulation using demagnetization detection and internal reference trimming, eliminating optocoupler and secondary feedback circuitry. Its architecture integrates active HV start-up, soft-start via peak current reduction, and demagnetization protection to guarantee DCM operation across line and load variations.
It supports USB charging profiles with constant-voltage (CV) and constant-current (CC) modes, includes OVP with auto-restart, UVLO with clamp, OTP, FB open/short protection, and safe restart under fault conditions - all within a single SO-7 package with HV spacing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Output Power | 5 W - rated for compact, low-cost USB chargers and white-goods auxiliary supplies |
| No-Load Power Consumption | <10 mW - exceeds Energy Star 2.0 and EPA 2.0 requirements without external bleeder |
| Switching Frequency | Up to 50.5 kHz - enables small magnetics and avoids audible noise (min fsw >22 kHz) |
| Burst Frequency | 430 Hz - EEPROM-programmable for optimized transient response vs. no-load loss trade-off |
| Voltage Regulation Accuracy | ±5% CV - primary-sensed, no optocoupler required; supports USB BC1.2 compliance |
| Current Regulation Accuracy | ±10% CC - enables reliable battery charging without secondary sensing |
| Integrated MOSFET Rating | 700 V - supports universal mains input (85–265 VAC) with robust overvoltage tolerance |
| Cable Compensation | 0 Ω - fixed compensation setting; eliminates need for external resistive divider tuning |
Pinout & Package
TEA1721ADB1059,598 is housed in a halogen-free, RoHS-compliant SO-7 package with high-voltage creepage spacing between drain and source pins. The 7-pin configuration supports direct mains-connected flyback operation with integrated start-up and regulation circuitry.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DRAIN | High-voltage MOSFET drain | Connects directly to rectified mains; withstands 700 V blocking voltage |
| VDD | Internal supply rail | Powered by integrated HV start-up; no external bleeder resistor needed |
| GND | Power and signal ground | Common reference for control logic and current sense |
| FB | Primary-side feedback input | Senses reflected output voltage via auxiliary winding; enables optocoupler-free regulation |
| CS | Current sense input | Monitors MOSFET source current for peak-current-mode control and overload protection |
| NC | No connect | Internally unused; must remain unconnected per datasheet |
| DRV | Gate driver output | Drives integrated MOSFET gate; not accessible externally |
Key Features
| Feature | Design Value |
|---|---|
| Primary-side voltage regulation | Eliminates optocoupler, TL431, and secondary feedback components - reduces BOM count by ≥4 parts |
| Integrated 700 V MOSFET | Enables direct universal AC input connection without external HV switch - simplifies layout and improves reliability |
| EEPROM-programmable burst mode | Allows factory tuning of 430 Hz burst frequency to balance light-load efficiency and dynamic response |
| Cable impedance compensation | Compensates for voltage drop across USB cables at full load - maintains ±5% CV accuracy at device port |
| Jittered switching | Spreads EMI spectrum to meet CISPR-22 Class B without Y-capacitor or common-mode choke |
| Safe restart on fault | Enters controlled hiccup mode after OVP/OTP/UVLO events - prevents thermal runaway and enables self-recovery |
Applications
| Mobile USB Charging | Smart Meter Auxiliary Supply |
|---|---|
Use Scenario: Wall-mounted 5 V/1 A USB charger for smartphones and accessories. IC Role / Device Role / Timing Role: Primary-side SMPS controller with integrated 700 V MOSFET and CV/CC regulation. Use Value: Achieves <10 mW no-load power and ±5% CV accuracy without optocoupler - meets Energy Star 2.0 and USB BC1.2. | Use Scenario: Isolated 5 V/100 mA auxiliary supply powering metrology MCU and RTC in smart electricity meters. IC Role / Device Role / Timing Role: Flyback controller delivering stable low-power output from rectified mains with high reliability over 15+ year lifetime. Use Value: Integrated HV start-up and OTP/OVP protections ensure continuous operation under brownout, surge, and thermal stress conditions. |
| White Goods Control Supply | Industrial IoT Sensor Node |
Use Scenario: 5 V/200 mA standby supply for microcontroller and display in washing machines and refrigerators. IC Role / Device Role / Timing Role: Low-noise, low-standby SMPS controller supporting always-on functionality with minimal heat generation. Use Value: Variable-frequency operation >22 kHz avoids audible noise; SO-7 package fits tight board space constraints. | Use Scenario: Compact 3.3 V/150 mA isolated supply for battery-powered industrial sensor nodes with wireless connectivity. IC Role / Device Role / Timing Role: Primary-sensed flyback controller enabling ultra-low quiescent current and long battery life during sleep cycles. Use Value: <10 mW no-load consumption extends battery runtime; jittered switching minimizes RF interference with 2.4 GHz radios. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SMPS controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TEA1721AT | Same SO-7 package, identical pinout and feature set; differs only in laser-trimmed internal parameters (e.g., burst frequency, OVP threshold) | Targeted for same 5 W USB charger and white-goods applications; validated for identical reference designs | Select TEA1721AT when standard factory calibration suffices; TEA1721ADB1059,598 offers tighter production binning for high-volume consistency |
| MP6908A | Secondary-side synchronous rectifier controller (not primary-side); requires optocoupler and external MOSFET; no integrated HV switch | Used in higher-efficiency 5–10 W adapters where secondary-side control is preferred; not drop-in compatible | Choose MP6908A only when adding SR to an existing primary controller; TEA1721ADB1059,598 provides complete single-chip solution |
Compared with TEA1721AT, TEA1721ADB1059,598 provides enhanced production traceability and tighter parameter binning for volume manufacturing; compared with MP6908A, it delivers full integration - eliminating optocoupler, secondary controller, and external HV switch - reducing total component count by ≥6 parts.
Availability
TEA1721ADB1059,598 is available at Aetrix Electronics and suitable for mobile USB chargers, smart meter auxiliary supplies, and white goods control power applications requiring stable component supply, long-term lifecycle support, and RoHS/halogen-free compliance.
Supply support for TEA1721ADB1059,598 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions, automotive processors, and energy-efficient power management ICs.
The TEA172x product line delivers highly integrated, cost-optimized SMPS controllers for sub-11 W AC/DC conversion - targeting USB charging, smart metering, and appliance auxiliary power where ultra-low standby, small footprint, and regulatory compliance are critical.
FAQ
What is the maximum continuous output power supported by TEA1721ADB1059,598?
The TEA1721ADB1059,598 is rated for continuous operation up to 5 W in flyback topology with proper heatsinking and layout. Its integrated 700 V MOSFET and thermal protection ensure reliable performance at full load across universal mains input (85–265 VAC). Design margin allows brief peaks beyond 5 W, but sustained operation above this level risks OTP activation.
Does TEA1721ADB1059,598 require an external optocoupler for regulation?
No, TEA1721ADB1059,598 uses primary-side sensing via the FB pin to monitor reflected output voltage from the transformer auxiliary winding. This eliminates the need for an optocoupler, TL431, and associated bias network - reducing component count, cost, and failure points while maintaining ±5% CV accuracy.
What protection features are integrated into TEA1721ADB1059,598?
TEA1721ADB1059,598 integrates OverVoltage Protection (OVP) with auto-restart, UnderVoltage LockOut (UVLO) with clamp, OverTemperature Protection (OTP), FB open/short-circuit protection, demagnetization monitoring, and safe restart mode. These functions operate autonomously without external components, ensuring robust fault handling in consumer and industrial environments.
Can TEA1721ADB1059,598 be used in USB Battery Charging (BC) applications?
Yes, TEA1721ADB1059,598 supports USB BC1.2 compliant constant-voltage (±5%) and constant-current (±10%) regulation. Its built-in cable compensation and programmable burst mode enable accurate port-level voltage delivery and fast transient response - making it suitable for certified smartphone and tablet chargers meeting Energy Star 2.0 requirements.
What is the significance of the 'ADB1059,598' suffix in TEA1721ADB1059,598?
The 'ADB1059,598' suffix denotes a specific factory-programmed variant of the TEA1721 base die, indicating laser-trimmed internal parameters including burst frequency (430 Hz), OVP threshold, and CV/CC regulation points. This binning ensures tighter production consistency for high-volume USB charger manufacturers requiring repeatable performance across batches.
TEA1721ADB1059,598 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Main Purpose:
- AC/DC, Non-Isolated
- Outputs and Type:
- 1 Non-Isolated Output
- Voltage - Output:
- 2.5 W
- Current - Output:
- 12V
- Voltage - Input:
- 200mA
- Regulator Topology:
- 85 ~ 265 VAC
- Frequency - Switching:
- Buck
- Contents:
- 50kHz
- Utilized IC / Part:
- Board(s)
- Power - Output:
- TEA1721
TEA1721ADB1059,598 FAQ
1.How can I place an order for TEA1721ADB1059,598 through Aetrix?
Please submit a Request for Quotation (RFQ) for TEA1721ADB1059,598 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 TEA1721ADB1059,598 reliable?
The price and inventory of TEA1721ADB1059,598 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TEA1721ADB1059,598 is usually 5 days.
3.What payment methods are accepted for TEA1721ADB1059,598?
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4.How is shipping managed for TEA1721ADB1059,598?
TEA1721ADB1059,598 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TEA1721ADB1059,598 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 TEA1721ADB1059,598?
For technical support, including TEA1721ADB1059,598 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TEA1721ADB1059,598 requirements.
6.How does Aetrix verify that TEA1721ADB1059,598 is sourced from the original manufacturer or authorized distributors?
All TEA1721ADB1059,598 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 TEA1721ADB1059,598 meets industry standards.
7.What is the process for return or replacement of TEA1721ADB1059,598?
All TEA1721ADB1059,598 units undergo pre-shipment inspection (PSI). If there is an issue with TEA1721ADB1059,598, 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 TEA1721ADB1059,598 part is unused and in its original packaging.
Return procedure for TEA1721ADB1059,598:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TEA1721ADB1059,598 Tags
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DFR0571
DFRobot
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DFR0379
DFRobot
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DFR0205
DFRobot
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1385
Adafruit Industries LLC
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COM-15208
SparkFun Electronics
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1944
Adafruit Industries LLC
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2465
Adafruit Industries LLC
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DC2468A
Analog Devices Inc.
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DC2841A
Analog Devices Inc.
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TPS552892EVM-111
Texas Instruments
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TPS55289EVM-093
Texas Instruments
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EPC9158
EPC
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