Solid State Drive

Solid State Drive

Such as low power consumption and miniaturization are important in designing solid state drive (SSD). Toshiba provides information on a wide range of semiconductor products suitable for power supply/power supply management units, surge/ESD protection circuit units, over temperature monitoring unit, etc., along with circuit configuration examples.

Overall block diagram

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 TVS TVS SSD Controller SSDController SDRAM SDRAM Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory Flash Memory FlashMemory ConnectorSATA, M.2, PCI Connector（SATA, M.2, PCI） LDO LDO DC-DC DC-DC PMIC PMIC MOSFET MOSFET Power Supply of Flash Memory I/O Power Supply of Flash Memory I/O Load Switch Load Switch Power Supply of Flash Memory I/O Power Supply of Flash Memory I/O Power Supply of Flash Memory Core Power Supply of Flash Memory Core Power Supply of Controller Power Supply of Controller Power Supply of SDRAM Power Supply of SDRAM Capacitor for PLP* Capacitorfor PLP* SBD SBD Gate Driver IC & N-ch MOSFET Gate Driver IC & N-ch MOSFET Power Supply of Flash Memory I/O Power Supply of Flash Memory I/O eFuse IC / Load SW / Gate Driver IC & N-ch MOSFET eFuse IC /Load SW /Gate Driver IC & N-ch MOSFET TVS TVS * PLP: Power Loss Protection * PLP: Power Loss Protection Over Temperature Detection IC Over Temperature Detection IC Power supply Input voltage supply section Over temperature monitoring circuit Level shift Signal system
Input voltage supply section

Example of protection circuit for the power input

Power supply

Example of power supply circuit for various devices

Signal system

Example of device protection circuit against ESD from external connector

Level shift

Example of voltage level conversion circuit using MOSFET

Example of voltage level conversion circuit using logic IC

Over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit

Sub block diagram

Input voltage supply section
Input voltage supply section

Example of protection circuit for the power input

Example of protection circuit for the power input
TVS diode
Part Number
DF2B5M4ASL
DF2B6M4ASL
DF2B6M4BSL
DF2S6P1CT
DF2S14P2CTC
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-963 (CST2C)
VESD (Max) [kV] +/-16 +/-15 +/-8 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.7 0.7 1.05 0.23 0.08
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.15 0.15 0.12 90 270
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Electronic fuse (eFuse IC)(1)
Part Number
TCKE800NA
TCKE805NA
TCKE812NA
Toshiba Package Name WSON10B WSON10B WSON10B
VIN (Max) [V] 18 18 18
RON (Typ.) [mΩ] 28 28 28
VOVC (Typ.) [V]   6.04 15.1
Recovery Operation Type Auto-retry Auto-retry Auto-retry
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Electronic fuse (eFuse IC)(2)
Part Number
TCKE800NL
TCKE805NL
TCKE812NL
TCKE712BNL
Toshiba Package Name WSON10B WSON10B WSON10B WSON10
VIN (Max) [V] 18 18 18 13.2
RON (Typ.) [mΩ] 28 28 28 53
VOVC (Typ.) [V]   6.04 15.1  
Recovery Operation Type Latch Latch Latch Latch
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High voltage load switch IC
Part Number
TCK301G
TCK303G
Toshiba Package Name WCSP9 WCSP9
VIN (Max) [V] 30 30
IOUT(DC) (Max) [A] 3.0 3.0
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Schottky barrier diode
Part Number
CUHS20F30
CUHS20F40
Toshiba Package Name SOD-323HE (US2H) SOD-323HE (US2H)
VRRM (Max) [V]    
VR (Max) [V] 30 40
CT (Typ.) [pF] 380 300
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N-ch MOSFET gate driver IC(1)
Part Number
TCK401G
TCK402G
TCK420G
TCK421G
TCK422G
Toshiba Package Name WCSP6E WCSP6E WCSP6G WCSP6G WCSP6G
VOVL_FA (Typ.) [V]     27.56 23.14 14.17
VOVL_RI (Typ.) [V]     27.73 23.26 14.29
VGS (Typ.) [V] 8.5 8.5 10 10 10
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N-ch MOSFET gate driver IC(2)
Part Number
TCK423G
TCK424G
TCK425G
Toshiba Package Name WCSP6G WCSP6G WCSP6G
VOVL_FA (Typ.) [V] 14.17 10.71 6.19
VOVL_RI (Typ.) [V] 14.29 10.83 6.31
VGS (Typ.) [V] 5.6 5.6 5.6
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Power supply
Power supply

Example of power supply circuit for various devices

Example of power supply circuit for various devices
Load switch IC
Part Number
TCK111G
TCK127BG
TCK206G
TCK207AN
Toshiba Package Name WCSP6C WCSP4G WCSP4C DFN4A
VIN (Max) [V] 6.0 6.0 4.0 4.0
IOUT(DC) (Max) [A] 3.0 1.0 2.0 2.0
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Small surface mount LDO regulator(1)
Part Number
TCR15AG Series
TCR13AG Series
TCR8BM Series
TCR5BM Series
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
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Small surface mount LDO regulator(2)
Part Number
TCR5RG Series
TCR3RM Series
TCR3U Series
TCR2L Series
TAR5 Series
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
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Small signal MOSFET
Part Number
SSM3J338R
SSM3K324R
SSM3K35AMFV
Toshiba Package Name SOT-23F SOT-23F SOT-723 (VESM)
VDSS (Max) [V] -12 30 20
ID (Max) [A] -6.0 4.0 0.25
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.0202 0.056 1.1
Polarity P-ch N-ch N-ch
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N-ch MOSFET gate driver IC(1)
Part Number
TCK401G
TCK402G
TCK420G
TCK421G
TCK422G
Toshiba Package Name WCSP6E WCSP6E WCSP6G WCSP6G WCSP6G
VOVL_FA (Typ.) [V]     27.56 23.14 14.17
VOVL_RI (Typ.) [V]     27.73 23.26 14.29
VGS (Typ.) [V] 8.5 8.5 10 10 10
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N-ch MOSFET gate driver IC(2)
Part Number
TCK423G
TCK424G
TCK425G
Toshiba Package Name WCSP6G WCSP6G WCSP6G
VOVL_FA (Typ.) [V] 14.17 10.71 6.19
VOVL_RI (Typ.) [V] 14.29 10.83 6.31
VGS (Typ.) [V] 5.6 5.6 5.6
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Signal system
Signal system

Example of device protection circuit against ESD from external connector

Example of device protection circuit against ESD from external connector
TVS diode
Part Number
DF2B5M4ASL
DF2B6M4ASL
DF2B6M4BSL
DF2S6P1CT
DF2S14P2CTC
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-963 (CST2C)
VESD (Max) [kV] +/-16 +/-15 +/-8 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.7 0.7 1.05 0.23 0.08
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.15 0.15 0.12 90 270
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Level shift
Level shift (1)

Example of voltage level conversion circuit using MOSFET

Example of voltage level conversion circuit using MOSFET
Small signal MOSFET
Part Number
SSM3J338R
SSM3K324R
SSM3K35AMFV
Toshiba Package Name SOT-23F SOT-23F SOT-723 (VESM)
VDSS (Max) [V] -12 30 20
ID (Max) [A] -6.0 4.0 0.25
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.0202 0.056 1.1
Polarity P-ch N-ch N-ch
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Level shift (2)

Example of voltage level conversion circuit using logic IC

Example of voltage level conversion circuit using logic IC
L-MOS with level shift function
Part Number
7UL1T02FU
7UL1T08FU
7UL1T32FU
Toshiba Package Name SOT-353 (USV) SOT-353 (USV) SOT-353 (USV)
VCC (Max) [V] 3.6 3.6 3.6
Function 2-Input NOR Gate with Level Shifting 2-Input AND Gate with Level Shifting 2-Input OR Gate with Level Shifting
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Over temperature monitoring circuit
Over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit
Over temperature detection IC (ThermoflaggerTM )(1)
Part Number
TCTH011AE
TCTH012AE
TCTH021AE
TCTH022AE
Toshiba Package Name SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV)
VDD (Min) [V] 1.7 1.7 1.7 1.7
VDD (Max) [V] 5.5 5.5 5.5 5.5
IDD (Typ.) [µA] @ Tj = 25 [°C] 1.8 1.8 11.3 11.3
IPTCO (Typ.) [µA] @ Tj = 25 [°C] 1 1 10 10
FLAG Signal Output Push-pull Push-pull Push-pull Push-pull
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Over temperature detection IC (ThermoflaggerTM )(2)
Part Number
TCTH011BE
TCTH012BE
TCTH021BE
TCTH022BE
Toshiba Package Name SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV) SOT-553 (ESV)
VDD (Min) [V] 1.7 1.7 1.7 1.7
VDD (Max) [V] 5.5 5.5 5.5 5.5
IDD (Typ.) [µA] @ Tj = 25 [°C] 1.8 1.8 11.3 11.3
IPTCO (Typ.) [µA] @ Tj = 25 [°C] 1 1 10 10
FLAG Signal Output Open drain Open drain Open drain Open drain
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Solution Proposal

These documents explain the key points of recommended semiconductor products and their features. Please use them for product selection.

Solution Proposal
SolutionProposal_Solid State Drive / English (PDF:1.3MB)
SolutionProposal_Solid State Drive / Japanese (PDF:1.9MB)

Reference Design

This is a picture of the DFN4D package.
TCR3EMxxA / 3DMxxA / 3LMxxA Series LDO Regulators With 300mA Output in Small DFN4D Package for Power Supply Circuit Applications
The lineup includes three series of small package LDO regulators that are ideal for mobile devices, etc. becuase of their features (standard type, low dropout voltage type, and low current consumption type). We provide the description of features, design points, and usage methods of each series.
Details
This is a picture of eFuse Application Circuit (with Enhanced Overcurrent Protection).
eFuse Application Circuit (with Enhanced Overcurrent Protection)
This reference design provides design guide, data and other contents of eFuse IC Application Circuit (with Enhanced Overcurrent Protection) built on a small board.
This circuit provides precise overcurrent shutdown by combining the eFuse IC and the ThermoflaggerTM used as an overcurrent detection device.
Details
This is a picture of eFuse Application Circuit (with Thermal Shutdown).
eFuse Application Circuit (with Thermal Shutdown)
This reference design provides design guide, data and other contents of eFuse IC Application Circuit (with Thermal Shutdown) built on a small board. This circuit provides over temperature detection and protection by combining the eFuse IC and the ThermoflaggerTM (Over Temperature Detection IC).
Details
Over Temperature Detection IC Thermoflagger™ Application Circuit (TCTH021AE / Push-pull type)
This reference design provides design guide, data and other contents of Over Temperature Detection IC Thermoflagger™ Application Circuits (TCTH021AE / Push-pull type). In combination with PTC thermistor(s), the Thermoflagger™ can be used to detect over temperature at multiple locations within a device. Details of other application circuits of the Thermoflagger™ are also provided.
Details
Over Temperature Detection IC Thermoflagger™ Application Circuit (TCTH021BE / Open-drain type)
This reference design provides design guide, data and other contents of Over Temperature Detection IC Thermoflagger™ Application Circuit (TCTH021BE / Open-drain type). In combination with PTC thermistor(s), this Thermoflagger™ can be used to detect over temperature at multiple locations within a device.
Details
Power supply circuit example of LDO regulator TCR3UG series application for power supply of IoT devices.
LDO Regulator TCR3UG Series Application for Power Supply of IoT Devices
This reference design provides document with low consumption current, PSRR, and dynamic response.The LDO has small package, low consumed power, and fast load transient response.
Details
Power supply circuit example of LDO regulator TCR15AG (fixed output voltage type) application & circuit.
LDO Regulator TCR15AG (fixed output voltage type) Application & Circuit
This reference design provides document with PSRR, dynamic response and controlling output voltage.The LDO has very small package and fixed output voltage for consumer application.
Details
Power supply circuit example of LDO regulator TCR15AGADJ application & circuit.
LDO Regulator TCR15AGADJ Application & Circuit
This reference design provides document with PSRR, dynamic response and controlling output voltage. The LDO has very small package and adjustable output for consumer application.
Details

Documents

Please see the following pages for other documents.

Video

Design & Development

Switched Mode Power Supply Library

you can select and download various basic topologies of a power supply unit based on your actual requirements in order to verify the behavior of MOSFETs with your simulation environment.

Switched Mode Power Supply Library
Motor Control and Driver Circuit Library

you can select and download various basic topologies of motor driver such as three-phase inverter circuit based on your actual requirements in order to verify the behavior of MOSFETs and another devices for your simulation environment.

Motor Control and Driver Circuit Library
Online Circuit Simulator

This service allows users to easily perform pre-verification of MOSFETs without the need to build a simulation environment.

Online Circuit Simulator
EDA/CAD Model Library

We provide simulation data, 3D models of packages, and land pattern models (2D models) used when developing product boards.

EDA/CAD Model Library
MCU Motor Studio

MCU Motor Studio features a PC Tool and motor control firmware dedicated to the TXZ+TM Family Advanced Class microcontrollers from Toshiba.

MCU Motor Studio
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Technical inquiry

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Frequently Asked Questions

FAQs
  • ThermoflaggerTM is a trademark of Toshiba Electronic Devices & Storage Corporation.
  • Other company names, product names, and service names may be trademarks of their respective companies.
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