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 ConnectorSATA, 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
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
Electronic fuse (eFuse IC)(1)
Part Number
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
Electronic fuse (eFuse IC)(2)
Part Number
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
High voltage load switch IC
Part Number
Toshiba Package Name WCSP9 WCSP9
VIN (Max) [V] 30 30
IOUT(DC) (Max) [A] 3.0 3.0
Schottky barrier diode
Part Number
Toshiba Package Name SOD-323HE (US2H) SOD-323HE (US2H)
VRRM (Max) [V]    
VR (Max) [V] 30 40
CT (Typ.) [pF] 380 300
N-ch MOSFET gate driver IC(1)
Part Number
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
N-ch MOSFET gate driver IC(2)
Part Number
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
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
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
Small surface mount LDO regulator(1)
Part Number
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
Small surface mount LDO regulator(2)
Part Number
Toshiba Package Name WCSP4F DFN4C 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
Small signal MOSFET
Part Number
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
N-ch MOSFET gate driver IC(1)
Part Number
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
N-ch MOSFET gate driver IC(2)
Part Number
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
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
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
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
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
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
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
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
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
Over temperature detection IC (ThermoflaggerTM )(2)
Part Number
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

Solution Proposal

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

Reference Design

Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021AE / Push-pull type)
This reference design provides design guide, data and other contents of Over Temperature Detection IC ThermoflaggerTM Application Circuits (TCTH021AE / Push-pull type). In combination with PTC thermistor(s), the ThermoflaggerTM can be used to detect over temperature at multiple locations within a device. Details of other application circuits of the ThermoflaggerTM are also provided.
Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021BE / Open-drain type)
This reference design provides design guide, data and other contents of Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021BE / Open-drain type). In combination with PTC thermistor(s), this ThermoflaggerTM can be used to detect over temperature at multiple locations within a device.
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.
LDO Regulator / TCR3UG
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.
LDORegulator / TCR15AG
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.
LDO Regulator / Design / Support / Reference Design Center

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.

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.

EDA/CAD Model Library

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

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.

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FAQs
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