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SI32178-B-FM from SILICONLABOR

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SI32178-B-FM

Manufacturer: SILICONLABOR, Silicon

Low power standby operation Tracking dc-dc controller Patented low-power ringing Wideband voice support

Partnumber Manufacturer Quantity Availability
SI32178-B-FM,SI32178BFM SILICONLABOR, Silicon 2560 In Stock

Description and Introduction

Low power standby operation Tracking dc-dc controller Patented low-power ringing Wideband voice support The part **SI32178-B-FM** is manufactured by **SILICON LABS** (Silicon Laboratories). Below are the specifications, descriptions, and features based on available factual information:

### **Specifications:**
- **Manufacturer:** Silicon Labs (Silicon Laboratories)  
- **Part Number:** SI32178-B-FM  
- **Type:** ProSLIC® Programmable CMOS Subscriber Line Interface Circuit (SLIC)  
- **Package:** Typically available in a surface-mount package (exact package type may vary)  
- **Operating Voltage:** Supports standard telecom voltage ranges  
- **Interface:** Designed for VoIP and analog telephony applications  
- **Compliance:** Meets global telecom standards  

### **Descriptions:**
- The **SI32178-B-FM** is part of Silicon Labs' **ProSLIC®** family, designed for analog telephony and VoIP gateway applications.  
- It integrates essential SLIC functions, including battery feed, ring generation, and hybrid functions, reducing external component count.  
- Programmable features allow customization for different global telecom requirements.  

### **Features:**
- **Integrated SLIC Functions:**  
  - Battery feed  
  - Ringing generation  
  - On/off-hook detection  
  - Hybrid circuitry (2-wire to 4-wire conversion)  
- **Programmable Settings:**  
  - Adjustable line voltage, current limits, and impedance matching  
  - Supports multiple country-specific telecom standards  
- **Low Power Consumption:** Optimized for energy efficiency in VoIP applications  
- **CMOS Technology:** Ensures high reliability and integration  
- **Protection Features:**  
  - Overcurrent, overvoltage, and thermal protection  
  - Surge protection compliance  

For exact datasheet details (electrical characteristics, pinout, etc.), refer to the official Silicon Labs documentation.

Application Scenarios & Design Considerations

Low power standby operation Tracking dc-dc controller Patented low-power ringing Wideband voice support

Alternative Part Number

  • LE9641PQCT --: Microchip/Microsemi Le9641 is a pin-compatible single-channel FXS SLIC in the same ProSLIC-class family, offering similar linefeed and signaling functions for voice ports.
  • LE9642PQCT --: Dual-channel variant of the Le964x FXS SLIC family; suitable when the design can use two channels or when a single-channel Si32178 is unavailable, with comparable telephony interface features.
  • ZL88002LDG --: Microsemi ZL880 series voice line interface device providing FXS SLIC functionality with similar BORSCHT requirements, usable as a functional substitute in many voice-line applications.
  • LE58QL021BVC --: Leopard series FXS/FXO line interface chip with integrated SLIC and codec functionality, comparable to the Si32178 ProSLIC for voice line applications.
  • ZL88002LDG1 --: Voice line interface device from the ZL880 series offering similar subscriber line interface and codec integration for telephony designs.
  • BCM6301KQMG --: Single-channel FXS subscriber line interface chip with integrated codec, functionally similar to the Si32178 for VoIP gateway and analog line ports.

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