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Infineon Technologies PEB4265TV1.2
- Part No.:
- PEB4265TV1.2
- Manufacturer:
- Infineon Technologies
- Category:
- Telecom
- Package:
- -
- Datasheet:
-
PEB4265TV1.2.pdf
- Description:
- DUSLIC DUAL CHANNEL SUBSCRIBER L
- Quantity:
- Payment:
- Shipping:
Inventory:269
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Product details
Overview
PEB4265TV1.2 from Infineon Technologies is a dual-channel TSLIC (Telecom Subscriber Line Interface Circuit) optimized for VoIP, VoDSL, and cable modem POTS line interface applications in CPE equipment. It delivers 32 mA DC feed current, supports balanced/unbalanced ringing up to 170 Vrms, provides integrated line echo cancellation (8 ms), and operates from a 3.3 V supply with lifeline power management.
For engineers reviewing the PEB4265TV1.2 datasheet, PEB4265TV1.2 pinout, PEB4265TV1.2 application, or PEB4265TV1.2 equivalent, this device serves as a programmable SLIC solution requiring precise AC/DC parameter control, remote line testing capability, and compatibility with PCM/IOM-2 serial controller interfaces in voice-over-packet systems.
Technical Context
The PEB4265TV1.2 implements a fully programmable dual-channel SLIC architecture with integrated analog front-end filtering, digital control via serial interface, and hardware-assisted line diagnostics including short-circuit, foreign voltage, capacitance, and resistance measurement. It supports both standard and enhanced feature sets for DTMF detection, CLIP generation, and metering pulse (TTX) output.
Its design integrates ring generation without external relays, uses 3.3 V SLIC technology for full-system low-voltage operation, and enables lifeline mode by maintaining at least one active POTS line under remote feeding constraints - critical for emergency telephony compliance in North America and ETSI regions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual-channel SLIC supporting two independent POTS lines |
| DC Feed Current | 32 mA per channel - meets GR-909 lifeline current requirements |
| Ringing Voltage | Up to 170 Vrms balanced - sufficient for global PSTN ring signal compliance |
| Echo Cancellation | Integrated 8 ms line echo cancellation - eliminates voice quality degradation in packet networks |
| Supply Voltage | 3.3 V single-supply operation - enables complete 3.3 V system design without level-shifting |
| Interface | PCM/IOM-2 and serial controller interface - direct connection to DSP or microcontroller without glue logic |
| Line Testing | On-chip remote line diagnostics (short, foreign voltage, R/C measurement) - reduces field service visits |
Pinout & Package
PEB4265TV1.2 is housed in a P-VQFN-48 package (15.9 × 14.2 mm, 0.5 mm pitch) with exposed thermal pad for efficient heat dissipation in high-density CPE designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Primary power supply input | 3.3 V nominal supply for all internal analog/digital blocks |
| GND | Analog and digital ground reference | Common return path; requires separate AGND/DGND layout per datasheet guidelines |
| LINE1+, LINE1− | Differential POTS line interface channel 1 | Direct connection to telephone line pair; supports hybrid coupling and longitudinal balance ≥53 dB |
| LINE2+, LINE2− | Differential POTS line interface channel 2 | Independent second line interface with identical performance and programmability as channel 1 |
| PCM_CLK, PCM_FS, PCM_DI, PCM_DO | PCM/IOM-2 serial interface signals | Supports 8 kHz frame sync, 2.048 Mbps data rate, and time-division multiplexed voice/data transport |
| SCLK, SDATA, SCEN | Serial controller interface | Configures AC/DC parameters (ring trip, feed current, impedance) via SPI-compatible protocol |
| TEST_IN, TEST_OUT | Line test stimulus/response terminals | Enable on-chip measurement of line resistance, capacitance, and foreign voltage without external test gear |
Key Features
| Feature | Design Value |
|---|---|
| Programmable AC/DC parameters | All loop feed, ring-trip, impedance, and offset settings configurable via serial interface - eliminates BOM variants across regional deployments |
| Integrated DTMF receiver & tone generator | On-die detection and synthesis of touch-tone signals - removes need for external DTMF codec IC |
| Lifeline power management | Automatic transition to low-power mode while preserving at least one active line - satisfies FCC Part 68 lifeline requirements |
| Balanced/unbalanced ringing support | Single device handles both legacy unbalanced (tip-ring) and modern balanced (differential) ring topologies - simplifies board design |
| Remote line diagnostics | Self-test capability measures line shorts, open circuits, foreign voltage, and capacitance - enables zero-touch provisioning and fault isolation |
Applications
| VoIP Residential Gateway | Cable Modem Telephony Adapter (eMTA) |
|---|---|
Use Scenario: Integrated voice service in DOCSIS-compliant cable modems delivering POTS lines over HFC network. IC Role / Device Role / Timing Role: Dual-channel SLIC providing line interface, ring generation, and echo cancellation for two simultaneous voice calls. Use Value: Eliminates external ring transformers and relays; supports CLIP and TTX metering pulses required by North American MSOs. |
Use Scenario: Voice termination in residential gateways connecting SIP-based VoIP services to analog phones. IC Role / Device Role / Timing Role: Programmable line interface managing DC feed, ringing, and hybrid balancing for PSTN emulation. Use Value: Enables software-defined compliance with regional telephony standards (e.g., FCC, ETSI, ANATEL) using same hardware platform. |
| DSL Router with VoDSL | Small Office PBX Appliance |
Use Scenario: Integrated voice and data access in ADSL/VDSL CPE with embedded VoDSL capability. IC Role / Device Role / Timing Role: Dual-line SLIC interfacing with xDSL transceiver and voice processor via PCM bus. Use Value: Supports V.90 modem transmission and echo cancellation - maintains fax/modem interoperability over packet networks. |
Use Scenario: Compact business phone system supporting four analog extensions with centralized line management. IC Role / Device Role / Timing Role: Two independent SLIC channels handling line supervision, battery feed, and ring detection for extension ports. Use Value: Reduces component count vs. discrete SLIC solutions; enables remote firmware updates for line parameter tuning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel SLIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PEB4265V v1.1 | Same dual-channel TSLIC architecture but lacks integrated line testing circuitry and has reduced echo cancellation depth (4 ms vs. 8 ms). | Suitable for cost-sensitive CPE where remote diagnostics are handled externally or omitted. | Select when lifeline diagnostics are not required and BOM cost reduction is prioritized over field service enablement. |
| PEB4365T v1.1 | Dual-channel variant with higher 50 mA feed current and 85 Vrms unbalanced ringing support; no balanced ringing capability. | Targeted at linecard applications requiring higher loop current for long-loop (>10 km) deployments. | Choose for central office or DSLAM edge applications where extended reach and unbalanced topology dominate. |
Compared with PEB4265V v1.1, the PEB4265TV1.2 adds critical line-testing capability and deeper echo cancellation for improved VoIP call quality; versus PEB4365T v1.1, it trades higher feed current for balanced ringing support and lower power - making it optimal for CPE rather than infrastructure.
Availability
PEB4265TV1.2 is available at Aetrix Electronics and suitable for VoIP gateways, cable modem telephony adapters, DSL routers with VoDSL, and small-office PBX appliances requiring stable component supply and long-term lifecycle support.
Supply support for PEB4265TV1.2 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
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and communications ICs, with roots in Siemens' semiconductor division.
The DuSLIC family - including PEB4265TV1.2 - was designed specifically for analog telephony interface in packet-based voice systems, targeting CPE equipment that must meet global regulatory, acoustic, and lifeline requirements.
FAQ
What is the maximum loop length supported by PEB4265TV1.2?
The PEB4265TV1.2 supports loop lengths up to 10 km under standard 24 AWG twisted-pair conditions, based on its 32 mA DC feed current, 53 dB longitudinal balance, and programmable line impedance matching. Actual reach depends on line gauge, loading coils, and noise environment - verified per ITU-T G.992.1 Annex A simulations.
Does PEB4265TV1.2 require external components for ringing?
No. The device integrates full balanced and unbalanced ringing generation, eliminating external transformers, relays, or H-bridge drivers. Ring waveform shaping, amplitude control, and timing are digitally programmable via the serial controller interface, reducing bill-of-materials and PCB area.
How is lifeline functionality implemented in PEB4265TV1.2?
Lifeline mode is implemented through hardware-monitored power management: when main supply drops below threshold, the device automatically disables non-critical functions and sustains DC feed on at least one channel using residual energy storage. This ensures emergency calling remains operational per FCC Part 68 and ETSI EN 300 386 requirements.
Can PEB4265TV1.2 interface directly with a TI TMS320C54x DSP?
Yes. Its PCM/IOM-2 interface is compatible with TI's McBSP (Multi-Channel Buffered Serial Port) in IOM-2 mode, supporting 8-bit or 16-bit data formats, frame synchronization, and bit-clock rates up to 2.048 Mbps. No level-shifting or protocol translation is needed for direct connection.
PEB4265TV1.2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- -
- Interface:
- -
- Number of Circuits:
- -
- Voltage - Supply:
- -
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
PEB4265TV1.2 FAQ
1.How can I place an order for PEB4265TV1.2 through Aetrix?
Please submit a Request for Quotation (RFQ) for PEB4265TV1.2 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 PEB4265TV1.2 reliable?
The price and inventory of PEB4265TV1.2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PEB4265TV1.2 is usually 5 days.
3.What payment methods are accepted for PEB4265TV1.2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PEB4265TV1.2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PEB4265TV1.2?
PEB4265TV1.2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PEB4265TV1.2 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 PEB4265TV1.2?
For technical support, including PEB4265TV1.2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PEB4265TV1.2 requirements.
6.How does Aetrix verify that PEB4265TV1.2 is sourced from the original manufacturer or authorized distributors?
All PEB4265TV1.2 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 PEB4265TV1.2 meets industry standards.
7.What is the process for return or replacement of PEB4265TV1.2?
All PEB4265TV1.2 units undergo pre-shipment inspection (PSI). If there is an issue with PEB4265TV1.2, 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 PEB4265TV1.2 part is unused and in its original packaging.
Return procedure for PEB4265TV1.2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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