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TOLL TMI7604R 4-Port IEEE 802.3af/at PSE Controller for Power-over-Ethernet
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pTOLL TMI7604R — 4-port ieee 802.3af/at pse controller (poe source), See datasheet, 44 V./p
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TOLL TMI7604R 4-Port IEEE 802.3af/at PSE Controller for Power-over-Ethernet
The TMI7604R from TOLL acts as a 4-port ieee 802.3af/at pse controller (poe source), comes in See datasheet.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer | TOLL Microelectronics (Tuoer Micro) |
| Part number | TMI7604R |
| Device type | 4-port IEEE 802.3af/at PSE controller (PoE source) |
| Product line | Power Management ICs |
| Input / supply voltage | 44 V to 57 V single DC supply |
| Output current | 30 W x 4 ports (up to 50 W per port in Class 5) |
| Package | See datasheet |
| Standard | IEEE 802.3af/at compliant |
| Monitoring | 9-bit port current and voltage |
| Interface | I2C, up to 8 devices per bus |
| Sense resistor | 0.1 Ohm embedded, built-in power FETs |
| Datasheet | TMI7604R_DS_EN_V1.2 |
Practical Notes
- Check the reference design before finalising external components.
- Thermal pad layout drives continuous current capability.
- Confirm the suffix — package and grade change between variants.
- Datasheet limits apply at the stated test conditions; derate for your ambient.
- Protection thresholds are set by external resistors in most designs.
Application Scenarios
Common installation contexts include:
- EV
- power supply
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