The Le9530 Dual Ringing SLIC device is a dual-channel device optimized to provide battery feed, ringing, and supervision on voice loops found in short-loop VoIP applications. This device is optimized to interface to the Broadcom BCM3378/3380/3382 and BCM6816 devices, or a similar codec. The Le9530 device operates independently from a single, user-adjusted battery and a +3.3 V VCC per channel. Each channel provides forward and reverse battery feed, voice transmission, power ringing, an ultra low-power scan state, ground start (Tip open), and a disconnect state. A test load switch is also included to support integrated test algorithms.
Additional Features
Dual Architecture
Two fully independent integrated SLIC channel
No impulse noise crosstalk in any operation states to the listening channel in forward or reverse active states
Two Power Supplies
Single user adjusted battery input per channel
3.3 V for VCC
High Voltage Design
Meets Comcast Ringing requirements without clipping distortion
Robust solution with no damage during extended ringing cycles or switching the ringer on and off
Allows use of 50 Ohm protection resistors and lower cost lower current rated protectors
Up to -145 V ringing battery Le9530D
Up to -100 V ringing battery Le9530C
Channel Independent Eight Operating States
Scan state for minimal power dissipation
Active Forward Battery 25mA DC Current Limit
Active Reverse Battery 25mA DC Current Limit
Active Forward Battery 40mA DC Current Limit
Active Reverse Battery 40mA DC Current Limit
Tip Open Ground Start
Ringing
Disconnect (Default Power Up Mode)
Per Channel Ringing Inputs for Optimized Interface to BCM SoC Devices
Allows to accept driving signals from per channel voice outputs as well as from PWM outputs
Ultra-Low On-Hook Power
Loop Start, Ring Trip, and Ground Start Detections
Loop closure detection with hysteresis to minimize dial pulse distortion
Thermal Shutdown Protection with Hysteresis
Test Load Switch
Supports integrated test algorithms
The Le9530 Dual Ringing SLIC device is a dual-channel device optimized to provide battery feed, ringing, and supervision on voice loops found in short-loop VoIP applications. This device is optimized to interface to the Broadcom BCM3378/3380/3382 and BCM6816 devices, or a similar codec. The Le9530 device operates independently from a single, user-adjusted battery and a +3.3 V VCC per channel. Each channel provides forward and reverse battery feed, voice transmission, power ringing, an ultra low-power scan state, ground start (Tip open), and a disconnect state. A test load switch is also included to support integrated test algorithms.
Additional Features
- Dual Architecture
- Two fully independent integrated SLIC channel
- No impulse noise crosstalk in any operation states to the listening channel in forward or reverse active states
- Two Power Supplies
- Single user adjusted battery input per channel
- 3.3 V for VCC
- High Voltage Design
- Meets Comcast Ringing requirements without clipping distortion
- Robust solution with no damage during extended ringing cycles or switching the ringer on and off
- Allows use of 50 Ohm protection resistors and lower cost lower current rated protectors
- Up to -145 V ringing battery Le9530D
- Up to -100 V ringing battery Le9530C
- Channel Independent Eight Operating States
- Scan state for minimal power dissipation
- Active Forward Battery 25mA DC Current Limit
- Active Reverse Battery 25mA DC Current Limit
- Active Forward Battery 40mA DC Current Limit
- Active Reverse Battery 40mA DC Current Limit
- Tip Open Ground Start
- Ringing
- Disconnect (Default Power Up Mode)
- Per Channel Ringing Inputs for Optimized Interface to BCM SoC Devices
- Allows to accept driving signals from per channel voice outputs as well as from PWM outputs
- Ultra-Low On-Hook Power
- Loop Start, Ring Trip, and Ground Start Detections
- Loop closure detection with hysteresis to minimize dial pulse distortion
- Thermal Shutdown Protection with Hysteresis
- Test Load Switch
- Supports integrated test algorithms
