Little Giants

2014-04-10  Semiconductor ICs   SILVERTEL

SILVERTEL’s new PoE Range

SILVERTEL launches a cost optimized IEE802.3af compliant PoE PD converter with industrial temperature rating and improved performance. The all new Ag9700-FL series complements the latest designs AG-9800-M, the smallest ever SMT PoE converter on the market and the Ag5300, a cost and size optimized PoE + PD converter.


SILVERTEL’s Ag9700-FL series are fully featured PoE PD modules designed to give a high performance low cost alternative to the existing product range. They extract power from a conventional twisted pair Category 5 Ethernet cable. These modules conform to the 802.3af Power-over-Ethernet (PoE) standard and offer 1.5kV isolation, PoE signature and integral DC to DC converter. The module allows the power classification to be set. The modules provide a simple PoE solution using minimal extra low cost components.

Ag9700-FL will accept power from either the spare or data pair of the Ethernet cable, enabling the device to be powered from mid- or end-span PSE. The integrated optimised DC/DC converter operates over a wide input voltage range providing a high efficiency regulated low ripple output. In addition it provides built-in protection against overloads, over temperature and short-circuits. There are three nominal output voltage options: 3.3V, 5V and 12V. These are easily adjustable using a simple pull up/down resistor. The Ag9700-FL includes on-board diode bridges and provides signature and control circuitry to give full PoE compatibility. This signature is required by the Power Sourcing Equipment (PSE) before it will provide power to the port. The modules are designed for industrial temperature with an operating ambient temperature range of -40°C to +85°C.


SILVERTELs’ Ag5300 is the first PoE+ module delivering up to 30 Watt of output power that requires less than 10.3cm2 of PCB space. This is ideal for any applications where space is at a premium, such as IP Telephones, Wireless Access Point, PTZ camera, door entry system and remote computer terminal applications.

Ag5300 is compatible with both the IEEE 802.3af and 802.3at standards for signature recognition. The Ag5300 classification is fixed at Class 4. The module works with both types of Power Sourcing Equipment (PSE) units - mid-span and end-span injectors. The high efficiency DC/DC converter operates over a wide input voltage range to provide a regulated low ripple, low noise output. The module provides built-in overload, thermal and short-circuit output protection.

The output voltage is programmable for values between 10.8V and 12.8V.

Ag5300 includes 1500V safety isolation as required by IEEE802.3 and to help prevent earth loops.

The module is designed for simple integration, requiring the addition of just a few low cost components (two diode bridges and an electrolytic capacitor on the DC output).


Despite its tiny dimensions the Ag9800 is a fully compliant PD (Power Device) PoE module and allows power extraction from a standard Cat5 Ethernet cable. Fully compliant to IEEE802.3af offering an isolation (input/output) of 1.5kV by integrated DC/DC converter. The smalles ever PoE PD Module has already been introduced in the “Impulse 2-2013”.

AG9700-FL: IEEE802.3af compliant POE

- Small SIL package 56mmx18mmx14mm (LxWxH))
- Low output ripple and noise
- Class Programming
- Industrial temperature
- Overload, thermal and short-circuit protection
- Wide input voltage range
- 3.3V, 5V or 12V output options
- 1500V isolation (input to output)
- Integral DC/DC converter
- Simple integration

AG5300: POE + module compliant with IEEE 802.3af & at

- SIL - 57mm(L)x18mm(W)x14mm(H)
- Up to 30 Watt Output Power
- High efficiency DC/DC converter
- Adjustable output voltage
- 1500V isolation (input to output)
- Input voltage range 37V to 57V
- Minimal low cost external components required
- Overload, thermal and short-circuit protection
- Simple integration

AG9800: Cost optimized fully compliant to IEEE802.3af PoE

- Smallest available form factor 28x17,8x12mm (LxWxH)
- Overload and short circuit protection
- Input voltage 36 - 57 Vdc
- Output Power up to 12 W at 12, 5 and 3,3 Vdc
- 1500 V I/O isolation
- Integrated DC/DC Converter
- Simplest integration

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