Seiko Instruments Inc.- Power Management ICs

Seiko Instruments Inc. (SII) was founded in 1937 as a key manufacturing arm of the Seiko Group, with headquarters in Chiba, Japan. The company specializes in micromechatronics, nanotechnology, and low-power consumption technologies derived from decades of precision watchmaking. Its core business encompasses electronic devices, hard disk drive (HDD) components, large-format inkjet printers, network solutions, and scientific instruments. SII is particularly renowned for its high-performance quartz crystal devices, including MHz-band crystal units, 32.768 kHz tuning fork crystals, and high-precision TCXO/OCXO oscillators. Its product portfolio also features CMOS ICs such as real-time clocks (RTCs), voltage detectors, and power management ICs that leverage its crystal technology. The company's crystal device series, including the SML tuning fork crystals and SPXO crystal oscillators, are widely adopted in consumer electronics, automotive systems, and IoT applications. With a global reputation built on decades of innovation, SII is considered one of the world's top quartz crystal manufacturers, competing closely with NDK and KDS. Its technological excellence in miniaturization, frequency stability, and ultra-low power consumption sets it apart in the electronic components market. SII continues to drive advancements in timing solutions through continuous R&D investment and application of MEMS fabrication techniques.

Power Management ICs - 型号列表

13,446 parts in total

Mfr Part #	Quantity Available	Price	RoHS	Packaging	Factory Pack Quantity	Mounting Style	Package / Case	Operating Temperature	Product Category	Output Type	Mechanical Life	Voltage Rating	Voltage - Supply	Line Regulation	Load Regulation	Current - Output	Number of Outputs	Voltage - Input (Min)	Voltage Regulation - Load	Reset	Watchdog Timer	Voltage - Clamping	Number of Voltages Monitored	Current - Supply	Tolerance	Power Dissipation (Max)	Voltage - Start Up	Product Type	Battery Chemistry
S-1323B27NB-N8M-TF Low Dropout Regulators - LDO 2.7 Volt 1% 70uV Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-1131B30PD-N4P-TF Low Dropout Regulators - LDO 3.0 Volt 1% 0.25mV Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-812C39AUA-C2T-T2 Low Dropout Regulators - LDO 3.9V 1.0uA 2.0% Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-8521E50MC-BMJ-T2 DC/DC Switching Controllers 5.0V Step-Dn PWM/PFM Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-80127ANMC-JCM-T2 Voltage Detectors / Monitors 2.7V 1.3uA N-Ch Open Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-8358N33MC-O6ST2G DC/DC Switching Controllers Step-Up SWR PWM/PFM 25.9uA Iq Switching Controllers Step-Up SWR PWM/PFM 25.9uA Iq Seiko Instruments	10	2040: ¥3.604	RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-8357N30MC-O2PT2G DC/DC Switching Controllers STEP-UP SWR PWM 25.9UA IQ Switching Controllers STEP-UP SWR PWM 25.9UA IQ Seiko Instruments	10	2040: ¥3.604	RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-80954CNMC-G9Q-T2 Voltage Detectors / Monitors 5.4V 1.2uA N-Ch Open Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-8353A38UA-IQXT2G DC/DC Switching Controllers Step-Up SWR PWM 18.7uA Iq Voltage Regulators - Switching Regulators Step-Up SWR PWM 18.7uA Iq Seiko Instruments	10	420: ¥6.3512	RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-80824KNUA-D2B-T2 Voltage Detectors / Monitors 2.4V 1.3uA N-Ch Open Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-816A30AMC-BAF-T2 Low Dropout Regulators - LDO 2.5V 1uA 2.0% Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-8232AEFT-T2 Battery Management 4.35V 2-Cell Serial Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-80945CLMC-G7F-T2 Voltage Detectors / Monitors 4.5V 1.3uA CMOS Out Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-1122B29PN-L8O-TF Low Dropout Regulators - LDO 2.9 Volt 1% 0.19mV Seiko Instruments	-		No	Reel	3000	SMD/SMT	SON-5A	+ 85 C	Low Dropout Regulators - LDO	Fixed	Obsolete	2.9 V	-	0.2 % / V	40 mV	150 mA	1	6.5 V	1 %	-	-	-	-	-	-	-	-	-	-
S-80945ANMP-DD9-T2 Voltage Detectors / Monitors SOT-23 4.5V 1.2uA Seiko Instruments	-		No	Reel	3000	SMD/SMT	SOT-23-5	+ 85 C	-	Open Drain	Obsolete	-	1.1 V to 6 V	-	-	-	-	-	-	No	No	4.41 V	1	-	-	-	-	-	-
S-817A18ANB-CUH-T2 Low Dropout Regulators - LDO 1.8V 1.2uA 2.0% LDO Voltage Regulators 1.8V 1.2uA 2.0% LDO Regulator Pos 1.8V 0.02A 4-Pin(3+Tab) SC-82AB T/R Seiko Instruments	2537	1: ¥3.264	No	Reel	3000	SMD/SMT	SC-82AB	+ 85 C	Low Dropout Regulators - LDO	Fixed	End of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.	1.8 V	-	20 mV	20 mV	50 mA	1	12 V	2 %	-	-	-	-	-	+/- 2 %	400 mW	-	-	-
S-8355K30MC-NAPT2G DC/DC Switching Controllers Step-Up SWR PWM 25.9uA Iq Switching Controllers Step-Up SWR PWM 25.9uA Iq Seiko Instruments	10	2040: ¥3.604	RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-80844KLY-B Voltage Detectors / Monitors 4.4V 1.3uA CMOS Out Seiko Instruments	-		No	Bulk	500	Through Hole	TO-92	+ 85 C	Voltage Detectors / Monitors	Push-Pull	Obsolete	-	0.8 V to 6 V	-	-	-	-	-	-	No	No	4.45 V	1	0.8 uA	-	-	-	-	-
S-8261AAGBD-G2G-TF Battery Management 4.28V Single Cell Seiko Instruments	10	2050: ¥2.9036	RoHS Compliant	Reel	3000	SMD/SMT	SNB-6	+ 85 C	Battery Management	-	-	8 V	1.5 V to 8 V	-	-	-	-	-	-	-	-	-	-	7 uA	-	-	1 V	Charge Management	Li-Ion, Li-Poly
S-80950CLNB-G7L-T2 Voltage Detectors / Monitors 5.0V 1.2uA CMOS Out Seiko Instruments	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Page 1 / 50

Seiko Instruments Inc.- Power Management ICs

Power Management ICs - 型号列表

Package / Case

Product Category

Output Type

Voltage Rating

Voltage - Supply

RoHS

Packaging

Factory Pack Quantity

Line Regulation

Load Regulation

Current - Output

Voltage - Input (Min)

Voltage Regulation - Load

Mounting Style

Mechanical Life

Voltage - Clamping

Current - Supply