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Analog Devices LTC9101-2A | Demoboard EVAL-LTC9101-2A
Evaluating the LTC9101-2/LTC9101-2A/LTC9101-2B and LTC9102 48-Channel IEEE 802.3at/bt PSE
Overview
| Topology | LAN / POE |
| Input voltage | 51-57 V |
| IC revision | A |
Description
The EVAL-LTC9101-2 is a 48-channel IEEE 802.3at/bt compliant power sourcing equipment (PSE). The EVAL-LTC9101-2 includes the DC3159A-C, DC3159A-D, or DC3159A-E daughter card, the DC3017A-B motherboard, and features the LTC9101-2/ LTC9101-2A/LTC9101-2B and LTC9102 chipset.In the EVAL-LTC9101-2, the daughter card has a single LTC9101-2x digital controller, where X denotes either the LTC9101-2, LTC9101-2A, or the LTC9101-2B. The DC3159A-C has the LTC9101-2, the DC3159A-D daughter card has the LTC9101-2A and the DC3159A-E has the LTC9101-2B. The digital controller interfaces with four LTC9102 (12-channel) analog controllers for a total of 48 PSE channels.
Features
Fully Compliant IEEE 802.3at Type 1 and 2 PSEUp to 48 PSE PortsIndustry-Standard Register Map+80V/–20V Tolerant Port-Facing PinsECC-Protected eFlash and Data RAMsLow Power Path Dissipation per Channel100mΩ Sense Resistance30mΩ or Lower MOSFET RDS(ON)Chipset Provides Electrical IsolationEliminates Optos and Isolated 3.3V SupplyVery High Reliability Multipoint PD DetectionContinuous Per-Port Voltage and Current Monitoring1MHz I2C Compatible Serial Control InterfacePin or I2C Programmable PD PowerAvailable in 24-Lead 4mm × 4mm (LTC9101‑2A) and 64-Lead 7mm × 11mm (LTC9102) QFN Packages
Typical applications
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | f (mm) | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (RMS)) | Mount | L (µH) | Pins (Value) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Pitch (mm) | Version | L (mm) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012206020 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | 100 nF | ±10% | 10 | 0603 | 5 | 5 GΩ | X7R Class II | 0.8 | 0.4 | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | – | – | 1.6 | – | – | – | ||
 | 61202021721 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-BHD 2.54 mm Male Angled Box Header | – | – | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | THT | – | 20 | – | – | Male | Angled | 3 | Tray | 2.54 | Low Profile | 33.06 | 250 | 20 | max. | |
 | 702937000 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SNSR Self-Retaining Spacer | 4.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -30 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | 19.1 | – | – | – | |
 | 62000311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | THT | – | 3 | Single | – | Pin Header | Straight | 2 | Bag | 2 | – | 6 | 200 | 20 | max. | |
 | 7490220122 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LAN LAN Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 16 | 13.97 | 10/100/1000BASE-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | 24 | – | 98.8 | – | 4PPoE (to 900 mA) | – | – | 1.27 | SMT | 17.55 | – | – | – | ||
 | 155060BS75300 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMSW SMT Mono-color Side View Waterclear | – | 470 | Blue | 465 | 145 | 3.2 | InGaN | 140 | – | – | – | 0603 rectangular | – | – | – | 0.98 | – | – | – | – | – | -40 °C up to +85 °C | – | SMT | – | – | – | 0.8 | – | – | – | – | – | – | 1.6 | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206020 | SPEC | |
| 61202021721 | SPEC | – |
| 702937000 | SPEC | – |
| 62000311121 | SPEC | – |
| 7490220122 | SPEC | |
| 155060BS75300 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | f (mm) | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (RMS)) | Mount | L (µH) | Pins (Value) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Pitch (mm) | Version | L (mm) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Samples |
|---|
