Smart Watch

Overall block diagram

Smart Watch

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Power supply circuit

Power supply circuit (USB type)

Example of the power management and ESD protection circuit when USB is in use

Power supply circuit (Battery type)

Example of the power management and the reverse current prevention circuit when the battery is in use

Camera input circuit

Example of peripheral circuit of camera module (power supply and interface)

Display output circuit

Configuration example of an interface circuit corresponding to a display signal

Motor control for vibrators

Example of motor drive circuit and example of protection circuit for regenerative current of coil

Pulse detection circuit

Pulse detection circuit (Light emission side)

Example of an LED driving circuit used in an optical pulse wave sensor

Pulse detection circuit (Light detection side)

Example of a circuit for detecting an optical signal of an optical pulse wave sensor

Pressure/Temperature Sensor circuit

Atmospheric pressure sensor circuit

Example of the atmospheric pressure sensor circuit using a resistance bridge

Temperature sensor circuit

Example of the temperature sensor circuit using an NTC thermistor

Sub block diagram

Power supply circuit

Power supply circuit (USB type)

Example of the power management and ESD protection circuit when USB is in use

TVS diode

Part Number	DF2B6M4SL	DF2B6M4BSL	DF2B20M4SL	DF2B5BSL	DF2B5PCT	DF2B7PCT
Toshiba Package Name	SOD-962 (SL2)	SOD-962 (SL2)	SOD-962 (SL2)	SOD-962 (SL2)	SOD-882 (CST2)	SOD-882 (CST2)
V_ESD (Max) [kV]	+/-20	+/-8	+/-15	+/-23	+/-30	+/-30
I_R (Max) [µA]	0.1	0.1	0.1	0.1	0.1	0.1
R_dyn (Typ.) [Ω]	0.5	1.05	0.2	0.2	0.1	0.1
C_T (Typ.) [pF] @ V_R = 0 [V], f = 1 [MHz]	0.2	0.12	0.2	11	41	45

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Electronic Fuse (eFuse IC)(1)

Part Number	TCKE800NA	TCKE805NA	TCKE812NA
Toshiba Package Name	WSON10B	WSON10B	WSON10B
V_IN (Max) [V]	18	18	18
R_ON (Typ.) [mΩ]	28	28	28
V_OVC (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
V_IN (Max) [V]	18	18	18	13.2
R_ON (Typ.) [mΩ]	28	28	28	53
V_OVC (Typ.) [V]		6.04	15.1
Recovery Operation Type	Latch	Latch	Latch	Latch

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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
V_{OVL_FA} (Typ.) [V]			27.56	23.14	14.17
V_{OVL_RI} (Typ.) [V]			27.73	23.26	14.29
V_GS (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
V_{OVL_FA} (Typ.) [V]	14.17	10.71	6.19
V_{OVL_RI} (Typ.) [V]	14.29	10.83	6.31
V_GS (Typ.) [V]	5.6	5.6	5.6

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N-ch common drain MOSFET

Part Number	SSM14N956L	SSM10N954L	SSM6N951L	SSM10N961L
Toshiba Package Name	TCSPED-302701	TCSPAC-153001	TCSP6A-172101	TCSPAG-341501
V_DSS (Max) [V]
I_D (Max) [A]
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]
Polarity	N-ch×2	N-ch×2	N-ch×2	N-ch×2

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Power supply circuit (Battery type)

Example of the power management and the reverse current prevention circuit when the battery is in use

Small signal MOSFET
Schottky barrier diode
N-ch MOSFET gate driver IC(1)
N-ch MOSFET gate driver IC(2)
N-ch common drain MOSFET

Small signal MOSFET

Part Number	SSM3J64CTC	SSM3K16CTC
Toshiba Package Name	CST3C	CST3C
V_DSS (Max) [V]	-12	20
I_D (Max) [A]	-1.0	0.2
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 2.5 [V]	0.56	3.0
Polarity	P-ch	N-ch

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Schottky barrier diode

Part Number	CTS05S30
Toshiba Package Name	SOD-882 (CST2)
V_RRM (Max) [V]
V_R (Max) [V]	20
C_T (Typ.) [pF]

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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
V_{OVL_FA} (Typ.) [V]			27.56	23.14	14.17
V_{OVL_RI} (Typ.) [V]			27.73	23.26	14.29
V_GS (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
V_{OVL_FA} (Typ.) [V]	14.17	10.71	6.19
V_{OVL_RI} (Typ.) [V]	14.29	10.83	6.31
V_GS (Typ.) [V]	5.6	5.6	5.6

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N-ch common drain MOSFET

Part Number	SSM14N956L	SSM10N954L	SSM6N951L	SSM10N961L
Toshiba Package Name	TCSPED-302701	TCSPAC-153001	TCSP6A-172101	TCSPAG-341501
V_DSS (Max) [V]
I_D (Max) [A]
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]
Polarity	N-ch×2	N-ch×2	N-ch×2	N-ch×2

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Camera input circuit

Example of peripheral circuit of camera module (power supply and interface)

Small surface mount LDO regulator(1)
Small surface mount LDO regulator(2)
Interface bridge

Small surface mount LDO regulator(1)

Part Number	TCR15AG Series	TCR13AG Series	TCR8BM Series	TCR5BM Series
Toshiba Package Name	WCSP6F	WCSP6F	DFN5B	DFN5B
I_OUT (Max) [mA]	1500	1300	800	500
V_OUT [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)
I_OUT (Max) [mA]	500	300	300	200	200
V_OUT [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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Interface bridge

Part Number	TC358774XBG	TC358767AXBG	TC358768AXBG	TC358746AXBG
Toshiba Package Name	P-VFBGA49-0505-0.65-001	P-VFBGA81-0505-0.50-001	P-VFBGA72-0404-0.40A3	P-VFBGA72-0404-0.40A3
Product Category	Display Interface Bridge	Display Interface Bridge	Display Interface Bridge	Camera Interface Bridge

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Display output circuit

Configuration example of an interface circuit corresponding to a display signal

Interface bridge
TVS diode

Interface bridge

Part Number	TC358774XBG	TC358767AXBG	TC358768AXBG	TC358746AXBG
Toshiba Package Name	P-VFBGA49-0505-0.65-001	P-VFBGA81-0505-0.50-001	P-VFBGA72-0404-0.40A3	P-VFBGA72-0404-0.40A3
Product Category	Display Interface Bridge	Display Interface Bridge	Display Interface Bridge	Camera Interface Bridge

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TVS diode

Part Number	DF2B6M4SL	DF2B6M4BSL	DF2B20M4SL	DF2B5BSL	DF2B5PCT	DF2B7PCT
Toshiba Package Name	SOD-962 (SL2)	SOD-962 (SL2)	SOD-962 (SL2)	SOD-962 (SL2)	SOD-882 (CST2)	SOD-882 (CST2)
V_ESD (Max) [kV]	+/-20	+/-8	+/-15	+/-23	+/-30	+/-30
I_R (Max) [µA]	0.1	0.1	0.1	0.1	0.1	0.1
R_dyn (Typ.) [Ω]	0.5	1.05	0.2	0.2	0.1	0.1
C_T (Typ.) [pF] @ V_R = 0 [V], f = 1 [MHz]	0.2	0.12	0.2	11	41	45

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Motor control for vibrators

Example of motor drive circuit and example of protection circuit for regenerative current of coil

Schottky barrier diode
Small signal MOSFET

Schottky barrier diode

Part Number	CTS05S30
Toshiba Package Name	SOD-882 (CST2)
V_RRM (Max) [V]
V_R (Max) [V]	20
C_T (Typ.) [pF]

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Small signal MOSFET

Part Number	SSM3J64CTC	SSM3K16CTC
Toshiba Package Name	CST3C	CST3C
V_DSS (Max) [V]	-12	20
I_D (Max) [A]	-1.0	0.2
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 2.5 [V]	0.56	3.0
Polarity	P-ch	N-ch

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Pulse detection circuit

Pulse detection circuit (Light emission side)

Example of an LED driving circuit used in an optical pulse wave sensor

Bipolar transistor

Bipolar transistor

Part Number	2SC6026CT	2SA2154CT
Toshiba Package Name	SOT-883 (CST3)	SOT-883 (CST3)
V_CEO (Max) [V]	50	-50
I_C (Max) [A]	0.1	-0.1
Polarity	NPN	PNP

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Pulse detection circuit (Light detection side)

Example of a circuit for detecting an optical signal of an optical pulse wave sensor

Small surface mount LDO regulator(1)
Small surface mount LDO regulator(2)
Low current consumption op-amp / Low noise op-amp

Small surface mount LDO regulator(1)

Part Number	TCR15AG Series	TCR13AG Series	TCR8BM Series	TCR5BM Series
Toshiba Package Name	WCSP6F	WCSP6F	DFN5B	DFN5B
I_OUT (Max) [mA]	1500	1300	800	500
V_OUT [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)
I_OUT (Max) [mA]	500	300	300	200	200
V_OUT [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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Low current consumption op-amp / Low noise op-amp

Part Number	TC75S102F	TC75S67TU
Toshiba Package Name	SOT-25 (SMV)	SOT-353F (UFV)
V_CC (Max) [V]	5.5	5.5
V_CC, V_EE (Max) [V]	+/-2.75	+/-2.75

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Pressure/Temperature Sensor circuit

Atmospheric pressure sensor circuit

Example of the atmospheric pressure sensor circuit using a resistance bridge

Small surface mount LDO regulator(1)
Small surface mount LDO regulator(2)
Low current consumption op-amp / Low noise op-amp

Small surface mount LDO regulator(1)

Part Number	TCR15AG Series	TCR13AG Series	TCR8BM Series	TCR5BM Series
Toshiba Package Name	WCSP6F	WCSP6F	DFN5B	DFN5B
I_OUT (Max) [mA]	1500	1300	800	500
V_OUT [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)
I_OUT (Max) [mA]	500	300	300	200	200
V_OUT [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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Low current consumption op-amp / Low noise op-amp

Part Number	TC75S102F	TC75S67TU
Toshiba Package Name	SOT-25 (SMV)	SOT-353F (UFV)
V_CC (Max) [V]	5.5	5.5
V_CC, V_EE (Max) [V]	+/-2.75	+/-2.75

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Temperature sensor circuit

Example of the temperature sensor circuit using an NTC thermistor

Small surface mount LDO regulator(1)
Small surface mount LDO regulator(2)
Low current consumption op-amp / Low noise op-amp

Small surface mount LDO regulator(1)

Part Number	TCR15AG Series	TCR13AG Series	TCR8BM Series	TCR5BM Series
Toshiba Package Name	WCSP6F	WCSP6F	DFN5B	DFN5B
I_OUT (Max) [mA]	1500	1300	800	500
V_OUT [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)
I_OUT (Max) [mA]	500	300	300	200	200
V_OUT [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