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Toshiba Discrete Solid State Drive (SSD) Solutions feature a broad product lineup that meets the latest requirements with TVS, Shottkey Barrier Diodes (SBD), LDOs, Load Switch ICs, and the new powerful eFuse IC. These SSDs can parse through data quicker than a traditional Hard Disk Drive (HDD). As SSD technology improves, it will require power circuitry that meets increasingly rigorous power demands, along with protection that keeps important data safe from failures. Toshiba offers a wide lineup of load switches and MOSFETs for controlling power inputs, protection ICs, and diodes designed to handle abnormal input power conditions and overvoltage surge during hotplug.
External electrostatic discharge (ESD), abnormal power supply inputs, and overvoltage surges during hot swap often cause problems for systems. To protect valuable data and PMICs from these damages, a combination of eFuse IC, ESD protection diodes, Zener diodes, and Schottky barrier diodes is very effective.
Toshiba’s eFuse IC implements various protection functions such as ultra-high-speed short-circuit protection and overcurrent, overvoltage, and in-rush current suppression in one package. Also, since it has acquired IEC62368-1 (G.9), it is possible to provide a simpler and stronger protection circuit than before.
In addition, a high IPP ESD protection diodes or Zener diodes can be used to counter several ns to ms ESD surges and transient voltage. By combining with SBDs, a more robust protection circuit can be created, which acts as a measure against negative voltage and prevents reverse current.
The choice of a power switch and LDO for voltage conversions are especially important for low-voltage/high-current power control.
In some cases, low-voltage lines do not meet the minimum voltage requirements for many popular load switches. Recommended is the load switch IC TCK207AN that operates at only 0.75V for low-voltage power supply switches. It also has low on-resistance of 21mΩ and can output up to 2.0A. Toshiba’s small MOSFET with low on-resistance is also recommended and can be found in various packages and configurations.
If the power rail itself is not enough, an LDO regulator is recommended. For instance, the low-power consumption LDO TCR3U series features a wide output voltage of 0.8V to 5.0V with low current consumption. Various built-in functions reduce quiescent current and improve transient response.
The large current LDO TCR15AG series adopts dual-power supply technology and can output up to 1.5A with a wide output voltage of 0.6V to 3.6V with ultra-low dropout voltage. LDO regulators are ideal and provide very accurate voltage rails with minimal dropout and fit on just about any design.
