Infineon Technologies PEB4365-1T-SV1.2
- Part No.:
- PEB4365-1T-SV1.2
- Manufacturer:
- Infineon Technologies
- Category:
- Telecom
- Package:
- -
- Datasheet:
-
PEB4365-1T-SV1.2.pdf
- Description:
- TSLIC-E TWIN SUBSCRIBER LINE INT
- Quantity:
- Payment:

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Product details
Overview
PEB4365-1T-SV1.2 from Infineon Technologies is a dual-channel TSLIC (Telecom Subscriber Line Interface Circuit) optimized for VoIP, VoDSL, and VoCable POTS line interface applications in CPE and access network equipment. It integrates balanced/unbalanced ringing generation, 8 ms line echo cancellation, DTMF receiver/transmitter, CLIP generation, and programmable DC feeding (32 mA), all within a single 48-pin VQFN package operating from 3.3 V supply.
For engineers reviewing the PEB4365-1T-SV1.2 datasheet, PEB4365-1T-SV1.2 pinout, PEB4365-1T-SV1.2 application, or PEB4365-1T-SV1.2 equivalent, this device delivers lifeline-supporting low-power telephony interface with full software-programmable AC/DC/ringing parameters, integrated line testing, and V.90 modem compatibility - critical for embedded voice gateway and multi-line residential gateway designs.
Technical Context
The PEB4365-1T-SV1.2 implements a fully programmable dual-channel SLIC architecture with integrated analog front-end, digital control interface (serial controller + PCM/IOM), and on-chip ring generator eliminating external relays. Its design supports both balanced and unbalanced ringing configurations up to 170 Vrms, with longitudinal balance ≥53 dB and on-hook transmission capability.
It operates as part of Infineon's DuSLIC chipset alongside SLICOFI-2 codec-filter, enabling complete two-channel POTS interface with DTMF detection, echo cancellation, metering pulses (TTX), and caller-ID generation - all without requiring external RAM, tone generators, or discrete ring drivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual-channel SLIC supporting two independent POTS lines |
| Supply Voltage | 3.3 V operation enables full-system 3.3 V power architecture |
| Max Ring Voltage | 170 Vrms balanced; eliminates need for external high-voltage ring transformers |
| DC Feed Current | 32 mA per channel; meets lifeline requirements for emergency service support |
| Longitudinal Balance | ≥53 dB; ensures robust noise rejection in noisy telecom environments |
| Echo Cancellation | Integrated 8 ms line echo cancellation; removes need for external DSP resources |
| DTMF Support | Integrated DTMF receiver and transmitter; enables touch-tone signaling without external ICs |
Pinout & Package
PEB4365-1T-SV1.2 is housed in a P-VQFN-48 (7 mm × 7 mm) thermally enhanced package with exposed thermal pad, optimized for compact CPE designs requiring high-density layout and efficient heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | 3.3 V Power Supply | Main analog/digital core supply; decoupling required per layout guidelines |
| GND | Analog/Digital Ground | Common reference for all internal circuitry; split ground planes recommended |
| TIP1 / RING1 | Channel 1 Line Interface | Direct connection to telephone line pair; supports ±170 V ringing swing |
| TIP2 / RING2 | Channel 2 Line Interface | Independent second POTS line interface with identical voltage/current capability |
| SDATA / SCLK / SCEN | Serial Control Interface | 3-wire SPI-compatible bus for real-time programming of all AC/DC/ringing parameters |
| PCM_IN / PCM_OUT | PCM Data Interface | Standard IOM-2 compatible 8-bit time-division multiplexed voice data path |
| RESET_N | Active-Low Reset Input | Hardware reset assertion clears internal registers and reinitializes SLIC state machine |
Key Features
| Feature | Design Value |
|---|---|
| Fully software-programmable parameters | All AC impedance, DC feed, ring trip, loop length, and ringing offset configurable via serial interface - no hardware changes needed across global markets |
| Integrated line testing | On-chip measurement of short-circuit, foreign voltage, capacitance, and resistance enables remote diagnostics and eliminates field service visits |
| Lifeline power management | Ultra-low quiescent current mode maintains at least one active line during AC power failure using remote battery feed |
| V.90 modem support | Optimized analog front-end and timing accuracy enable full V.90 modem transmission performance without external signal conditioning |
| No external components for key functions | Eliminates need for external ring generators, relays, DTMF codecs, echo cancellers, or RAM - reduces BOM count and board area |
Applications
| VoIP Residential Gateway | Multi-Line Cable Modem |
|---|---|
Use Scenario: A 4-port VoIP gateway for home/office use connects PSTN lines to SIP-based VoIP networks. IC Role / Device Role / Timing Role: Dual-channel SLIC provides line interface, ringing, and echo cancellation for two simultaneous analog phone ports. Use Value: Enables compact, fanless design with lifeline support and zero external ringing components - reducing cost and improving reliability. |
Use Scenario: Integrated cable modem with built-in telephony (eMTA) serves triple-play (data, video, voice) in residential deployments. IC Role / Device Role / Timing Role: Acts as primary POTS line interface for two voice channels, handling line feeding, DTMF, and CLIP generation. Use Value: Meets DOCSIS 3.0 telephony requirements with integrated metering pulses (TTX) and programmable ring cadence - simplifying certification. |
| VoDSL Access Terminal | Enterprise IP PBX Edge Module |
Use Scenario: DSLAM-side terminal unit delivers voice over DSL to multiple premises using existing copper pairs. IC Role / Device Role / Timing Role: Provides dual-line SLIC functionality with remote line testing and programmable loop-length compensation. Use Value: Enables automated line qualification and fault isolation - reducing OPEX for service providers deploying VoDSL. |
Use Scenario: Compact edge module adds analog FXS ports to an IP PBX for legacy phone integration. IC Role / Device Role / Timing Role: Delivers two independent, standards-compliant POTS interfaces with integrated echo cancellation and DTMF detection. Use Value: Supports simultaneous call handling with <5% THD and <−60 dB crosstalk - meeting enterprise-grade voice quality benchmarks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel SLIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PEB4365T v1.1 | Same pinout and feature set but lacks SV1.2 firmware enhancements for improved V.90 modem stability and extended temperature range validation | Valid for standard VoIP gateways but not qualified for extended-temperature industrial deployments | Select when cost sensitivity outweighs need for latest modem performance and thermal margin |
| SLIC-E2 (PEB4265-2V v1.1) | 5.0 V supply, higher 50 mA feed current, lower 45 Vrms max ringing voltage, no integrated echo cancellation | Suitable for linecard applications requiring higher feed current but lacking space/power budget for external echo canceller | Select only for legacy 5 V systems where external echo processing is already implemented |
Compared with PEB4365T v1.1, the SV1.2 revision adds validated V.90 performance under worst-case line conditions and extended −40°C to +85°C operation; compared with SLIC-E2, it trades higher feed current for integrated echo cancellation and 3.3 V system compatibility - reducing total solution size and component count.
Availability
PEB4365-1T-SV1.2 is available at Aetrix Electronics and suitable for VoIP residential gateways, multi-line cable modems, VoDSL access terminals, and enterprise IP PBX edge modules requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for PEB4365-1T-SV1.2 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 leadership in telecom interface solutions since the Siemens semiconductor division era.
The PEB4365-1T-SV1.2 belongs to Infineon's DuSLIC family - designed specifically to consolidate dual-channel POTS interface functionality into a single, software-programmable chip for next-generation voice-over-packet CPE equipment.
FAQ
What is the maximum allowable loop length supported by PEB4365-1T-SV1.2?
The device supports programmable loop length compensation up to 10 km (6.2 miles) of 26 AWG twisted-pair copper, verified per ITU-T G.992.1 Annex A specifications. This is achieved through adaptive line impedance modeling and dynamic gain adjustment in the analog front-end, ensuring consistent voice quality across varying loop conditions.
Does PEB4365-1T-SV1.2 require external components for DTMF generation and detection?
No. The device integrates a full DTMF transceiver with tone generation, detection, and filtering compliant with ITU-T Q.23 and ETSI EN 300 403-1. All required oscillator, filter, and decoder logic reside on-die - no external RC networks, crystals, or dedicated DTMF ICs are needed.
How is lifeline functionality implemented during AC power loss?
Lifeline mode activates automatically when main 3.3 V supply drops below 2.7 V, switching internal regulators to draw power from the remote battery feed (−48 V) via the TIP/RING lines. It maintains one channel in low-power talk mode with 15 mA feed current and basic DTMF support - sufficient for emergency calls per FCC Part 68 and ETSI EN 300 386.
Can PEB4365-1T-SV1.2 be used with SLICOFI-2 codec-filter in a standalone configuration?
Yes. The device is designed to interoperate with SLICOFI-2 via standard PCM/IOM-2 and serial control interfaces. No glue logic or level-shifting is required - they form a complete, pin-defined DuSLIC chipset delivering dual-channel voice, modem, and signaling functionality in a single PCB footprint.
PEB4365-1T-SV1.2 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:
- -
PEB4365-1T-SV1.2 FAQ
1.How can I place an order for PEB4365-1T-SV1.2 through Aetrix?
Please submit a Request for Quotation (RFQ) for PEB4365-1T-SV1.2 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 PEB4365-1T-SV1.2 reliable?
The price and inventory of PEB4365-1T-SV1.2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PEB4365-1T-SV1.2 is usually 5 days.
3.What payment methods are accepted for PEB4365-1T-SV1.2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PEB4365-1T-SV1.2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PEB4365-1T-SV1.2?
PEB4365-1T-SV1.2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PEB4365-1T-SV1.2 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 PEB4365-1T-SV1.2?
For technical support, including PEB4365-1T-SV1.2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PEB4365-1T-SV1.2 requirements.
6.How does Aetrix verify that PEB4365-1T-SV1.2 is sourced from the original manufacturer or authorized distributors?
All PEB4365-1T-SV1.2 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 PEB4365-1T-SV1.2 meets industry standards.
7.What is the process for return or replacement of PEB4365-1T-SV1.2?
All PEB4365-1T-SV1.2 units undergo pre-shipment inspection (PSI). If there is an issue with PEB4365-1T-SV1.2, 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 PEB4365-1T-SV1.2 part is unused and in its original packaging.
Return procedure for PEB4365-1T-SV1.2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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