Data centers are equipped with racks that house servers, high-speed lines that are connected to the outside world, network equipment, cooling systems, power supplies, and other equipment necessary for server installation. Servers used in data centers utilize many different types of devices and semiconductor ICs. Typical examples are CPUs, communication devices, and DIMM and SSD memory modules with DRAM and NAND flash memory.
ABLIC offers a lineup of ICs, such as SPD EEPROMs and VPD EEPROMs, which are used in DIMM and SSD memory modules, to help improve the communication performance of memory modules. Additionally, we offer Hall Effect ICs suitable for fan motors used in cooling devices, as well as Battery Protection ICs for uninterruptible power systems (UPS), which protect devices by supplying electricity stored inside them to load devices in the event of a power failure or other emergency.

1. SPD EEPROMs for DIMMs

SPD EEPROMs for DIMMs

DIMM for Server DRAM DRAM DRAM DRAM PMIC RCD Temperature Sensor Data Buffer HOST Connector SPD

SPD EEPROMs

S-34TS04A SPD EEPROM
DDR4 with Temperature sensor

Datasheet

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>>For "Introduction of EEPROM for DIMM (SPD)", refer here

 

2. VPD EEPROMs / Temperature Sensor ICs / Voltage Detectors (Reset ICs) for SSDs

VPD EEPROMs / Temperature Sensor ICs / Voltage Detectors (Reset ICs) for SSDs

PMIC DCDC×4 Programmable Supervisor PCle SSD 1.4V or less / 1.8V / 3.3V Board temp. monitoring System operation Board temp. monitoring System sleep Storage of Memory data and Board info To Flash Memory To Cache Memory To other Devices SMBus/I2C AUX: 1.8V or 3.3V/5mA Voltage monitoring for system reset Power supply voltage monitoring Connector Other Device Cache Memory (DRAM) Flash Memory Flash Memory Flash Memory Flash Memory SSD Controller HOST Flash Memory Flash Memory Reset IC 4kbit EEPROM Temp. Sensor VPD

VPD EEPROMs

S-585AA 4Kbit, Built-in SMBus ARP function / with Temperature sensor
High temperature accuracy ±0.25°C typ.

Datasheet

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S-34TS04L 4Kbit, with Temperature sensor
1.7Vmin operation

Datasheet

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>>For "Introduction of EEPROMs for SSDs (VPD)", refer here

Temperature Sensor ICs

S-5852A ±1.0°C max. (Ta = 0°C to +65°C)
with Thermostat function

Datasheet

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Voltage Detectors (Reset ICs)

S-1009 Operating voltage 0.6V to 10.0V
Detection voltage 0.8V to 4.6V

Datasheet

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3. Hall Effect ICs (Magnetic Sensor ICs) for fan motors

Hall Effect ICs (Magnetic Sensor ICs) for fan motors

12V fan motor drive system diagram
12V fan motor drive system diagram

Hall Effect ICs (Magnetic Sensor ICs)

S-576Z B 125°C, High-Withstand Voltage, High-Speed, ZCL detection

Datasheet

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S-576Z R 150°C, High-Withstand Voltage, High-Speed, ZCL detection

Datasheet

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S-576B B 125°C, High-Withstand Voltage, High-Speed, Bipolar latch
Magnetic sensitivity(mT): 0.5, 2.2, 3.0, 6.0, 10.0

Datasheet

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S-5743 A 125°C, High-Withstand Voltage, High-Speed, Bipolar latch
Magnetic sensitivity(mT): 0.5, 1.5, 2.2, 3.0

Datasheet

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S-5741 B 125°C, High-Withstand Voltage, High-Speed, Bipolar latch
Magnetic sensitivity(mT): 1.8, 3.0, 6.0

Datasheet

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4. Battery Protection ICs for UPS

Battery Protection ICs

S-8245A 3, 4, 5-cell or more, with Temperature protection function

Datasheet

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S-8209A 1-cell or more, with Cell-balance function

Datasheet

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S-8209B 1-cell or more, with Cell-balance function

Datasheet

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S-8255A 3, 4, 5-cell or more, with Temperature protection function

Datasheet

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>>For "Battery Protection for UPS (Uninterruptible Power System)", refer here

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