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Analog Devices Inc. HMC546LP2E
- Part No.:
- HMC546LP2E
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Switches
- Package:
- 6-TDFN Exposed Pad
- Datasheet:
-
HMC546LP2E.pdf
- Description:
- IC RF SWITCH SPDT 2.7GHZ 6DFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,375
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Product details
Overview
HMC546LP2E from Analog Devices is a GaAs-based failsafe SPDT RF switch in a 2 mm × 2 mm LFCSP package, operating from 200 MHz to 2700 MHz with 40 dBm P0.1dB on Tx, 0.4 dB typical insertion loss, and 67 dBm IIP3 - designed for high-power LNA protection and T/R switching in cellular infrastructure and automotive telematics.
For engineers reviewing the HMC546LP2E datasheet, HMC546LP2E pinout, HMC546LP2E application, or HMC546LP2E equivalent, this page delivers verified specifications, failsafe behavior under zero-bias conditions, thermal resistance data (θJC = 54°C/W), truth table logic states, and matching network requirements for narrowband deployment across WiMAX, TD-SCDMA, and PMR bands.
Technical Context
The HMC546LP2E implements a monolithic GaAs pHEMT architecture with integrated failsafe topology: when VDD and VCTL are unpowered (0 V), RFC connects to Tx by default, enabling robust LNA protection without external bias. Its control interface accepts 3 V to 8 V positive logic with ±0.2 V tolerance and supports fast switching (tON = 102 ns, tOFF = 36 ns).
All RF ports (Tx, Rx, RFC) are DC-coupled and require external matching networks and DC blocking capacitors; ACG requires an external AC ground capacitor. The exposed paddle must be soldered to PCB RF ground to meet thermal and RF performance specs including 54°C/W junction-to-case resistance on Tx path.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 200 MHz to 2700 MHz - supports narrowband tuning for 1843/2015/2350/2600 MHz bands with discrete matching components. |
| Insertion Loss (Tx→RFC) | 0.4 dB typical at 2010–2025 MHz - enables low-loss transmit path critical for high-efficiency PA output coupling. |
| P0.1dB (Tx) | 40 dBm typical - handles 10 W CW RF input, suitable for base station front-end power handling. |
| IIP3 (Tx) | 67 dBm typical at 2300–2480 MHz - ensures minimal intermodulation distortion in multi-carrier LTE/WiMAX systems. |
| Isolation (RFC→Rx) | 30 dB typical at 2500–2700 MHz - prevents receiver desensitization during high-power transmission. |
| Switching Time (tON/tOFF) | 102 ns / 36 ns - supports fast TDD frame switching in TD-SCDMA and time-sliced PMR protocols. |
| Failsafe State | RFC→Tx closed at 0 V VDD/VCTL - eliminates need for backup bias supply in fault-tolerant LNA protection designs. |
Pinout & Package
Package: 6-lead Lead Frame Chip Scale Package (LFCSP), 2 mm × 2 mm body, 0.90 mm height, CP-6-10 variant with exposed thermal paddle requiring direct connection to PCB RF ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Tx) | RF Transmit port | DC-coupled, not 50 Ω matched - requires external matching network and DC blocking capacitor for integration into PA output stage. |
| 2 (VCTL) | Control voltage input | Accepts 0 V (low) or 3–8 V (high); defines signal path per truth table - no negative voltage allowed (−0.2 V min). |
| 3 (ACG) | AC ground terminal | Must connect to ground via external capacitor - stabilizes internal bias nodes and suppresses low-frequency oscillation. |
| 4 (Rx) | RF Receive port | DC-coupled, not 50 Ω matched - requires external matching and DC blocking capacitor before LNA input. |
| 5 (VDD) | Supply voltage input | 3 V to 8 V DC - powers internal bias circuitry; absolute max 10 V; thermal derating required above 3 V for sustained 40 dBm operation. |
| 6 (RFC) | RF common port | DC-coupled antenna interface - connects to duplexer or antenna switch; requires same external matching as Tx/Rx paths. |
| EPAD | Exposed thermal paddle | Mandatory RF and thermal ground connection - failure to solder reduces θJC from 54°C/W to >100°C/W and degrades isolation. |
Key Features
| Feature | Design Value |
|---|---|
| Failsafe RFC→Tx path at 0 V bias | Enables automatic LNA protection during power loss or controller reset - no external fail-safe circuitry needed. |
| 40 dBm P0.1dB on Tx path | Supports 10 W continuous RF power handling - eliminates need for external circulator or limiter in macrocell BTS front ends. |
| 67 dBm IIP3 at 2350 MHz | Minimizes third-order intermodulation in 2×2 MIMO LTE base stations operating with 20 MHz channel bandwidth. |
| 21 ns rise/fall time | Meets timing budget for sub-100 μs TDD guard intervals in TD-LTE and WiBro systems. |
| LFCSP 2 mm × 2 mm package | Reduces PCB area vs. QFN alternatives while maintaining thermal performance via exposed paddle grounding. |
Applications
| LNA Protection in Cellular Base Stations | WiMAX/WiBro Repeater Front End |
|---|---|
Use Scenario: Protects low-noise amplifier from high-power transmit leakage during TDD switching in macrocell BTS. IC Role / Device Role / Timing Role: Failsafe SPDT switch routing antenna signal between PA output and LNA input with RFC→Tx default path. Use Value: Eliminates risk of LNA damage during power interruption; maintains system uptime without auxiliary bias circuitry. |
Use Scenario: Enables bidirectional amplification in outdoor WiMAX repeaters operating at 2.5–2.7 GHz. IC Role / Device Role / Timing Role: High-linearity RF switch toggling between uplink receive and downlink transmit paths in time-division duplex mode. Use Value: Delivers 30 dB isolation at 2600 MHz to prevent self-interference; supports 67 dBm IIP3 for clean multi-tone signal retransmission. |
| Private Mobile Radio (PMR) Handsets | Automotive Telematics Antenna Sharing |
Use Scenario: Shares single antenna between GPS receiver and 3G/4G cellular transceiver in ruggedized public safety radios. IC Role / Device Role / Timing Role: Low-insertion-loss SPDT switch isolating GPS L1 band (1575 MHz) from cellular TX bands (1800/2100 MHz) during simultaneous operation. Use Value: Achieves 0.4 dB Tx→RFC loss and 25 dB return loss at 1805–1910 MHz - preserves cellular link margin and GPS sensitivity. |
Use Scenario: Integrates LTE-V2X, GNSS, and Wi-Fi 6E antennas into compact automotive infotainment modules. IC Role / Device Role / Timing Role: High-power RF switch enabling shared antenna architecture across 700 MHz LTE, 1.6 GHz GPS, and 5.9 GHz DSRC bands. Use Value: Handles 40 dBm Tx power while maintaining 22 dB return loss at 2350 MHz - ensures EMI compliance and coexistence in dense RF environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPDT RF switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Qorvo QM11020 | Si-based, 0.1–6.0 GHz range, 34 dBm P0.1dB, 0.6 dB IL, no failsafe mode - requires active bias for all states. | Lower power handling and no zero-bias default path - unsuitable for LNA protection where fault tolerance is mandatory. | Select HMC546LP2E when failsafe operation and 40 dBm power handling are required; choose QM11020 only for wideband, lower-power portable applications. |
| Skyworks SKY13372-374LF | GaAs pHEMT, 0.1–4.0 GHz, 32 dBm P0.1dB, 0.5 dB IL, failsafe RFC→Rx (not Tx), 35 dB isolation at 2.6 GHz. | Inverted failsafe state (RFC→Rx default) - incompatible with LNA protection topology requiring RFC→Tx on power loss. | HMC546LP2E is preferred for transmit-path protection; SKY13372-374LF fits receive-path protection use cases only. |
Compared with QM11020 and SKY13372-374LF, the HMC546LP2E uniquely combines 40 dBm power handling, 67 dBm IIP3, and RFC→Tx failsafe behavior - making it the sole option among these three for high-reliability cellular infrastructure LNA protection.
Availability
HMC546LP2E is available at Aetrix Electronics and suitable for cellular infrastructure, automotive telematics, and private mobile radio applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for HMC546LP2E 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving precision instrumentation, communications, and industrial markets since 1965.
The HMC546LP2E belongs to Analog Devices' Hittite Microwave RF Switch product line, engineered specifically for high-power, high-linearity T/R switching in wireless infrastructure and defense-grade communication systems.
FAQ
What is the failsafe behavior of the HMC546LP2E?
The HMC546LP2E defaults to RFC→Tx path conduction when both VDD and VCTL are at 0 V - ensuring uninterrupted transmit path integrity during power loss or controller failure. This behavior is intrinsic to its GaAs pHEMT design and requires no external components. The HMC546LP2E maintains this state until valid bias (3–8 V) is applied to enable RFC→Rx switching.
Does the HMC546LP2E require external matching components?
Yes, the HMC546LP2E requires external matching networks on all RF ports (Tx, Rx, RFC) because they are DC-coupled and not internally matched to 50 Ω. Matching components - including inductors (L1/L2) and capacitors (C1–C7) - are specified per frequency band in the datasheet's Table 5. The HMC546LP2E cannot achieve specified insertion loss or isolation without these external elements.
What is the maximum RF input power the HMC546LP2E can handle on the Rx port?
The HMC546LP2E supports up to 24 dBm CW RF input on the Rx port at VDD = 3 V and 29 dBm at VDD = 5 V, as defined in Absolute Maximum Ratings. Exceeding these levels risks permanent damage. The HMC546LP2E's Rx path is optimized for receive sensitivity, not power handling - its 21 dBm typical P0.1dB reflects this design priority.
Can the HMC546LP2E operate with a 3.3 V control voltage?
Yes, the HMC546LP2E accepts VCTL from 3 V to 8 V with ±0.2 V tolerance, making 3.3 V fully compatible. At 3.3 V, the HMC546LP2E achieves full specification performance including 40 dBm P0.1dB and 67 dBm IIP3. Lower voltages (e.g., 2.5 V) are not supported and may cause incomplete switching or degraded linearity.
How should the exposed paddle (EPAD) of the HMC546LP2E be connected?
The EPAD of the HMC546LP2E must be soldered directly to a solid PCB RF ground plane using multiple thermal vias - per Figure 27 and Pin Configuration section. Inadequate grounding increases junction temperature, degrades isolation by up to 10 dB, and raises θJC from 54°C/W to over 100°C/W. The HMC546LP2E's thermal and RF performance is contingent on this mechanical implementation.
HMC546LP2E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 6-TDFN Exposed Pad
- Packaging:
- Strip
- Product Status:
- Active
- RF Type:
- WiMAX / WiBro
- Topology:
- Reflective
- Circuit:
- SPDT
- Frequency Range:
- 200MHz ~ 2.7GHz
- Isolation:
- 40dB
- Insertion Loss:
- 0.7dB
- Test Frequency:
- 2.7GHz
- P1dB:
- -
- IIP3:
- 43dBm
- Features:
- -
- Impedance:
- 50Ohm
- Voltage - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DFN (2x2)
HMC546LP2E FAQ
1.How can I place an order for HMC546LP2E through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC546LP2E 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 HMC546LP2E reliable?
The price and inventory of HMC546LP2E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC546LP2E is usually 5 days.
3.What payment methods are accepted for HMC546LP2E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC546LP2E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC546LP2E?
HMC546LP2E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC546LP2E 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 HMC546LP2E?
For technical support, including HMC546LP2E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC546LP2E requirements.
6.How does Aetrix verify that HMC546LP2E is sourced from the original manufacturer or authorized distributors?
All HMC546LP2E 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 HMC546LP2E meets industry standards.
7.What is the process for return or replacement of HMC546LP2E?
All HMC546LP2E units undergo pre-shipment inspection (PSI). If there is an issue with HMC546LP2E, 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 HMC546LP2E part is unused and in its original packaging.
Return procedure for HMC546LP2E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HMC546LP2E Tags
-
BGS13SN8E6327XTSA1
Infineon Technologies
-
BGS12WN6E6327XTSA1
Infineon Technologies
-
BGS12P2L6E6327XTSA1
Infineon Technologies
-
BGS12PN10E6327XTSA1
Infineon Technologies
-
NJG1801K75-TE1
Nisshinbo Micro Devices Inc.
-
BGS14PN10E6327XTSA1
Infineon Technologies
-
SKY13348-374LF
Skyworks Solutions Inc.
-
4259-63
pSemi
-
PE42421SCAA-Z
pSemi
-
AS179-92LF
Skyworks Solutions Inc.
-
SKY13351-378LF
Skyworks Solutions Inc.
-
AS215-92LF
Skyworks Solutions Inc.
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