ABLIC provides Vital Product Data (VPD) EEPROMs for SSDs (Solid State Drives).
ABLIC also provides a lineup of temperature sensors ideal for data centers, servers and high-end PCs, and a lineup of VPDs with SMBus ARP (Address Resolution Protocol) function, which support the development of a wide variety of SSDs.
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1. What is a VPD EEPROM?
VPD is a device designed to store information about PCIe SSD as shown in "Table 1".
| The information stored in VPD |
|---|
| Basic inventory information e.g., Type/Size/Manufacture/Date/Revision/GUID |
| Power management data e.g., Power level/Power mode |
| Vendor specific data e.g., Vendor ID/Part numbers |
| PCIe Port multi-Record e.g., Connection information for each port (port0/port1) |
| etc. |
VPD is a device that connects to the SSD controller and the host via SMBus. Users can write/read information and data via SMBus.
VPD EEPROMs are particularly in demand for multi-part PCIe SSDs, where interconnected information is becoming more complex.
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2. ABLIC's VPD EEPROMs
ABLIC's VPD EEPROMs support the development of PCIe SSDs for data centers, servers and high-end PCs.
By using ABLIC VPD EEPROMs, the following is possible:
1. Enhance thermal throttling performance (S-585AA)
- Using a built-in ±0.25℃ typ. high-accuracy digital temperature sensor.
2. Able to add SSDs while power is on (S-585AA)
- Using a built-in SMBus ARP (Address Resolution Protocol) function support for Hot-plug* via SMBus.
3. Can be connected to a low voltage 1.8V AUX power supply (S-585AA, S-34TS04L)
- With a 1.7V min low-voltage operation.
*Hot-plug: a mechanism that allows devices to be connected or faulty components to be replaced while the system is operational.
What is SMBus ARP (Address Resolution Protocol) function?
The SMBus ARP is a function that allows a HOST to assign arbitrary addresses to target devices using the SMBus; this allows for easy SSD adding.
Benefits
- Able to add SSDs while power is on with Hot-plug
- Able to add more than 32 SSDs per Host
- Able to remove external multiplexer
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3. Why we propose our products for SSD
ABLIC offers VPD EEPROMs with built-in SMBus ARP function and high temperature accuracy.
| S-585AA | 4k-bit VPD EEPROM, Built-in Temp. Sensor and SMBus ARP function, High temperature accuracy ±0.25°C typ. |
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| S-34TS04L | 4k-bit VPD EEPROM, Built-in Temp. Sensor, 1.7Vmin operation |
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4. Related information
ABLIC offers a lineup of ICs that are ideal for SSDs, in addition to those for VPDs.
| S-5852A | Digital temperature sensor ideal for temperature monitoring | |
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| S-1009 | Reset IC ideal for system reset and PLP (PowerLoss Protection) | |
In addition to SPD EEPROMs for DIMMs, ABLIC provides a range of ICs that are perfect for devices used in data centers. For more details, please refer to ICs Ideal for Data Center.