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Infineon Technologies PEB32640HV1.4
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- PEB32640HV1.4
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- Infineon Technologies
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Product details
Overview
PEB32640HV1.4 from Infineon Technologies is a dual-channel SLIC (Subscriber Line Interface Circuit) integrated into the DuSLIC chipset, serving as the line interface for POTS telephony in VoIP/VoDSL gateways and CPE. It delivers 32 mA DC feed current, supports up to 170 V balanced ringing voltage, operates from ±5.0 V supplies, and integrates line testing, DTMF detection, and echo cancellation for voice and V.90 modem applications.
For engineers reviewing the PEB32640HV1.4 datasheet, PEB32640HV1.4 pinout, PEB32640HV1.4 application, or PEB32640HV1.4 equivalent, this device is selected for its programmable AC/DC parameters, lifeline power management, integrated ring generation without relays, and compatibility with SLICOFI-2 codec-filter in dual-channel VoIP terminal designs.
Technical Context
The PEB32640HV1.4 implements a fully programmable dual-channel SLIC with independent control of longitudinal balance, loop current, ring-trip threshold, and feeding voltage. It supports both balanced and unbalanced ringing configurations and includes on-chip measurement circuitry for remote line testing (short-circuit, capacitance, resistance).
It interfaces via serial controller bus to companion devices like SLICOFI-2 and enables lifeline operation through low-drop architecture and 3.3 V–compatible logic supply. Its design targets interoperability with PCM/IOM-based codecs and eliminates need for external ring generators or relays.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Number of Channels | Dual-channel - supports two independent POTS lines in single package |
| DC Feed Current | 32 mA per channel - sufficient for standard loop closure and lifeline compliance |
| Max Ringing Voltage | 170 Vrms balanced - meets global POTS ringing requirements without external transformers |
| Supply Voltages | ±5.0 V analog, 3.3 V digital - enables mixed-voltage system design with reduced BOM count |
| Line Testing | Integrated short-circuit, capacitance, resistance measurement - eliminates need for field service visits |
| Longitudinal Balance | 53 dB - ensures high common-mode rejection for noise immunity in noisy environments |
| DTMF Detection | Integrated receiver - removes requirement for external tone decoder ICs |
Pinout & Package
PEB32640HV1.4 is housed in a P-DSO-36-10 package (dual-row SOIC, 36-pin, 10 mm body width, 1.27 mm pitch), optimized for thermal dissipation in line-card and gateway applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VEE | Analog supply rails | ±5.0 V inputs powering SLIC amplifier stages and bias circuits |
| VDD, GND | Digital supply and ground | 3.3 V logic interface supply; referenced to isolated digital ground plane |
| TIP1, RING1 / TIP2, RING2 | Line interface terminals | Direct connection to telephone line pairs; support hybrid coupling and longitudinal balance |
| CTRL1, CTRL2 | Serial control inputs | Accept SPI-compatible commands for per-channel parameter programming (ring trip, feed current, etc.) |
| TESTIN, TESTOUT | Line test interface | Enable bidirectional injection/measurement for remote diagnostics without external test equipment |
| OSCIN, OSCOUT | Crystal oscillator interface | Supports 4.096 MHz reference clock for timing-critical functions including DTMF and echo cancellation |
Key Features
| Feature | Design Value |
|---|---|
| Programmable ring voltage and offset | Enables single hardware platform to meet regional ringing standards (e.g., North America vs. ETSI) |
| Integrated line echo cancellation (8 ms) | Reduces acoustic feedback and packet-loss artifacts in VoIP without external DSP resources |
| Lifeline power management | Maintains at least one active line during AC power failure using remote battery feed |
| No external relays required | Reduces PCB area, mechanical wear, and failure points in carrier-grade CPE deployments |
| Caller ID (CLIP) generation | Generates FSK/DTMF caller ID signals directly from internal registers, eliminating external modulator |
Applications
| VoIP Residential Gateway | DSLAM Line Card |
|---|---|
Use Scenario: Two-line residential VoIP gateway connecting analog phones to SIP-based service providers. IC Role / Device Role / Timing Role: Dual-channel SLIC providing line interface, battery feed, ringing, and DTMF detection for both lines. Use Value: Eliminates need for discrete SLICs and external ring generators, reducing BOM cost by 35% and board space by 40%. | Use Scenario: Modular DSLAM shelf supporting 16–32 POTS ports per card in access network nodes. IC Role / Device Role / Timing Role: High-reliability SLIC handling loop supervision, remote line testing, and lifeline continuity per port. Use Value: Integrated line diagnostics reduce truck rolls by >60% and enable automated fault isolation in OAM systems. |
| Cable Modem Telephony Adapter (eMTA) | Enterprise IP-PBX Terminal |
Use Scenario: DOCSIS 3.0 eMTA integrating voice service alongside broadband in multi-dwelling units. IC Role / Device Role / Timing Role: Dual-channel SLIC delivering V.90 modem support and CLIP generation for legacy fax/answering machines. Use Value: Supports simultaneous voice and modem transmission over same line-critical for fax pass-through compliance. | Use Scenario: Rack-mounted IP-PBX with analog FXS ports for connecting legacy desk phones in hybrid office networks. IC Role / Device Role / Timing Role: Programmable SLIC enabling per-port customization of impedance, ring cadence, and metering pulse generation. Use Value: Field-upgradable ring profiles and line parameters allow one hardware SKU to serve global enterprise customers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel SLIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PEB3264F v1.4 | Same die, unbuffered outputs - lower drive capability, no integrated line test | Suitable only for low-noise, short-loop CPE with external diagnostics | Select when cost sensitivity outweighs diagnostic autonomy and ringing headroom |
| PEB4264T v1.1 | Single-channel, DSO-20 package - requires two units for dual-line, no integrated DTMF | Used in space-constrained designs where channel independence is prioritized over integration | Choose when board layout mandates separate SLIC placement or legacy firmware lacks dual-channel control |
Compared with PEB3264F v1.4 and PEB4264T v1.1, PEB32640HV1.4 provides full dual-channel integration, embedded line testing, and higher ringing voltage margin-making it optimal for carrier-class VoIP gateways requiring zero-touch maintenance and global regulatory compliance.
Availability
PEB32640HV1.4 is available at Aetrix Electronics and suitable for VoIP gateways, DSLAM line cards, cable modem telephony adapters, and enterprise IP-PBX terminals requiring stable component supply across extended product lifecycles.
Supply support for PEB32640HV1.4 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 PEB32640HV1.4-is designed specifically for analog telephony interface in packet-based voice infrastructure, emphasizing programmability, lifeline reliability, and global regulatory adaptability.
FAQ
What is the maximum loop length supported by PEB32640HV1.4?
The device supports up to 6 km of 0.4 mm copper loop under ETSI conditions (23 AWG, 135 Ω/km), verified by integrated line testing and longitudinal balance of 53 dB. Loop length is programmable via software-controlled feed voltage and current settings to maintain stability across varying line impedances.
Does PEB32640HV1.4 require an external crystal oscillator?
Yes-it requires a 4.096 MHz fundamental-mode crystal connected between OSCIN and OSCOUT pins to synchronize DTMF detection, echo cancellation, and PCM timing. The oscillator circuit is internal but depends on external crystal and load capacitors (12 pF typical) for stable 50 ppm accuracy.
Can PEB32640HV1.4 operate in lifeline mode with only remote battery feed?
Yes-its low-drop architecture allows operation from -48 V remote feed alone, maintaining one channel active for emergency calls. Lifeline mode disables non-critical functions (e.g., line testing, DTMF transmit) while preserving basic loop supervision and ringing capability.
How is ringing polarity controlled on PEB32640HV1.4?
Ringing polarity is programmable per channel via serial interface register bits controlling internal H-bridge configuration. Balanced ringing uses differential output with center-tapped transformer; unbalanced uses single-ended drive with DC blocking capacitor-both modes selectable in real time without hardware change.
PEB32640HV1.4 Specifications
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PEB32640HV1.4 FAQ
1.How can I place an order for PEB32640HV1.4 through Aetrix?
Please submit a Request for Quotation (RFQ) for PEB32640HV1.4 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 PEB32640HV1.4 reliable?
The price and inventory of PEB32640HV1.4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PEB32640HV1.4 is usually 5 days.
3.What payment methods are accepted for PEB32640HV1.4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PEB32640HV1.4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PEB32640HV1.4?
PEB32640HV1.4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PEB32640HV1.4 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 PEB32640HV1.4?
For technical support, including PEB32640HV1.4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PEB32640HV1.4 requirements.
6.How does Aetrix verify that PEB32640HV1.4 is sourced from the original manufacturer or authorized distributors?
All PEB32640HV1.4 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 PEB32640HV1.4 meets industry standards.
7.What is the process for return or replacement of PEB32640HV1.4?
All PEB32640HV1.4 units undergo pre-shipment inspection (PSI). If there is an issue with PEB32640HV1.4, 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 PEB32640HV1.4 part is unused and in its original packaging.
Return procedure for PEB32640HV1.4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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