R1810X

Boost DC/DC Converter

The R1810X is a boost dc/dc converter from Nisshinbo. View the full R1810X datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Manufacturer

Nisshinbo

Key Specifications

Parameter	Value
Applications	Converter, Energy Harvesting
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	15-XFBGA, WLCSP
Packaging	Cut Tape
Packaging	Cut Tape
Packaging	Cut Tape
Packaging	Cut Tape
Standard Pack Qty	5000
Standard Pack Qty	5000
Standard Pack Qty	5000
Standard Pack Qty	5000
Supplier Device Package	WLCSP-15-P1
Voltage - Output	2.6V

Overview

Part: R1810x Series

Type: Boost DC/DC Converter for Energy Harvester

Description: A low quiescent current boost DC/DC converter for energy harvesting applications, capable of starting up with 9 μW from a 0.35 V input, providing an output voltage range of 2.3 V to 4.5 V, and featuring a typical quiescent current of 600 nA.

Operating Conditions:

Supply voltage: 0.35 to 2.1 V
Operating temperature: -40 to 85 °C
Output voltage range: 2.3 V to 4.5 V

Absolute Maximum Ratings:

Max supply voltage (VIN): 2.3 V
Max LX pin voltage: 6.5 V
Max output pin voltage (VOUT): 6.5 V
Max junction temperature: 85 °C
Max storage temperature: 125 °C

Key Specs:

Start-up voltage: Typ. 0.35 V, Max. 0.50 V (0°C ≤ Ta ≤ 65°C)
Input Voltage Range: 0.2 V to 2.1 V (VSET=2.7V)
VOUT Pin Quiescent Current (IQ_VOUT): Typ. 600 nA, Max. 3000 nA (V IN = 0.5V, V OUT = 4.5 V, at no switching, Ta = 25°C)
Start-up power: 9 μW (VMPSET = 0.5V / VSET = 2.6V)
Output Voltage Accuracy: ±5.0%
Efficiency: 66% (at IOUT=5 μA)
Maximum Power Point Control Voltage Setting: 0.2 V to 2.1 V, in 50 mV increments

Features:

Low quiescent current (Typ. 600 nA)
Low input energy start-up (9 μW)
Built-in Maximum Power Point Control function
Input Power Good Function
Output Power Good Function

Applications:

Energy harvesting modules such as 1 cell photovoltaic element /thermoelectric power generation.

Package:

WLCSP-15-P1 (2.88 x 1.68 x 0.36 mm)
DFN2735-14 (3.5 x 2.7 x 0.6 mm)

Pin Configuration

R1810Z (WLCSP-15-P1) Pin Configuration

R1810L (DFN2735-14) Pin Configuration

∗ The tab on the bottom of the package enhances thermal performance and is electrically connected to GND (substrate level). The backside tab should be connected to the ground plane on the board.

No.EA-423-231002

Electrical Characteristics

The specifications surrounded by production tested.

are guaranteed by design at -40°C ≤ Ta ≤ 85°C, not mass

R1810x Electrical Characteristics	R1810x Electrical Characteristics				(Ta = 25°C)	(Ta = 25°C)
Symbol	Parameter	Conditions	Min.	Typ.	Max.	Unit
I Q_VOUT	VOUT Pin Quiescent Current	V IN = 0.5V, V OUT = 4.5 V, at no switching		600	3000	nA
I Q_VIN	VIN Pin Quiescent Current	V IN = 0.5 V, V OUT = 4.5 V, at no switching		400		nA
V OUT	Output Pin Voltage	V IN > V MP	V SET × 0.95		V SET × 1.05	V
V MP	Accuracy of Maximum Power Point Control Voltage	V OUT = V SET 、 V MPSET ≥ 0.5V	-5		5	%
V MP	Accuracy of Maximum Power Point Control Voltage	V OUT = V SET 、 V MPSET <0.5V	-50		50	mV
V OUTPGH	OUTPG 'High' Threshold Voltage	xxxA: 2.6V ≤ V SET xxxB: 3.1V ≤ V SET xxxC: 3.6V ≤ V SET xxxD: 4.3V ≤ V SET	V SET × 0.87	V SET × 0.90	V SET × 0.93	V
V OUTPGL	OUTPG 'Low' Threshold Voltage	xxxA: 2.6V ≤ V SET < 3.3V xxxB: 3.1V ≤ V SET < 3.3V	V SET × (PGL -0.05)	V SET × PGL	V SET × (PGL +0.05)	V
V OUTPGL	OUTPG 'Low' Threshold Voltage	xxxA: 3.3V ≤ V SET xxxB: 3.3V ≤ V SET xxxC: 3.6V ≤ V SET xxxD: 4.3V ≤ V SET	V SET × (PGL -0.04)	V SET × PGL	V SET × (PGL +0.04)	V
V INPGH	INPG 'High' Threshold Voltage		V MPSET × 1.05			V
V INPGL	INPG 'Low' Threshold Voltage				V MPSET × 0.95	V
V OUTUVLOR	V OUTUVLO Release Voltage				2.11	V
V OUTUVLOF	V OUTUVLO Detection Voltage		1.55			V
V OUTPGH	OUTPG "High" Output Voltage	I OUTPG =-1μA	V SET × 0.9			V
V INPGH	INPG "High" Output Voltage	I INPG =-1μA	V SET × 0.9			V
V OUTPGL	OUTPG 'Low' Output Voltage	I OUTPG =1μA			0.1	V
V INPGL	INPG "Low" Output Voltage	I INPG =1μA			0.1	V

All test items listed under Electrical Characteristics are done under the pulse load condition (Tj ≈ Ta = 25°C). Test circuit is operated with 'Open Loop Control' (GND = 0 V), unless otherwise specified.

No.EA-423-231002

The specifications surrounded by are guaranteed by design engineering at

Absolute Maximum Ratings

Symbol	Parameter	Rating	Unit
V IN	Input Pin Voltage	- 0.3 to 2.3	V
V LX	LX Pin Voltage	- 0.3 to 6.5	V
V OUT	Output Pin Voltage	- 0.3 to 6.5	V
V REG	Output Voltage of Boost DC to DC Converter for Start-up	- 0.3 to 6.5	V
V CP	Output Pin Voltage of Charge Pump Circuit	- 0.3 to 6.5	V
V TEST1 to 3	Pin Voltage for Testing	- 0.3 to 6.5	V
V INPG	INPG Pin Voltage	- 0.3 to 6.5	V
I INPG	INPG Pin Current	10	mA
V OUTPG	OUTPG Pin Voltage	-0.3 to 6.5	V
I OUTPG	OUTPG Pin Current	10	mA
PD	Power Dissipation	Refer to the Power Dissipation in the supplementary item	Refer to the Power Dissipation in the supplementary item
Tj	Junction Temperature Range	- 40 to 85	° C
Tstg	Storage Temperature Range	- 55 to 125	° C

Recommended Operating Conditions

Symbol	Parameter	Rating	Unit
V IN	Input Voltage (1)	0.35 to 2.1	V
Ta	Operating Temperature Range	- 40 to 85	°C

Typical Application

L = 22 μH, CIN = 22 μF, CCP = 22 nF, CREG = 4.7 μF COUT = 4.7 μF

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
R1810L	Nisshinbo	—
R1810Z	Nisshinbo	—
R1810Z003A	Nisshinbo	—
R1810Z003A-E2-F	Nisshinbo	15-XFBGA, WLCSP
R1810Z003B	Nisshinbo	—

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Get structured datasheet data via API

Get started free