Integrated Circuits (ICs)

LM2105DSGR

Active

107-V 0.5-A/0.8-A HALF-BRIDGE GATE DRIVER WITH 5-V UVLO AND INTEGRATED BOOTSTRAP DIODE

Deep-Dive with AI

Search across all available documentation for this part.

DocumentsMaximizing DC/DC converter designs with UCC27282 Mapping Application Requirements with the 120V Halfbridge Gate Driver +14

Integrated Circuits (ICs)

LM2105DSGR

Active

Texas Instruments

107-V 0.5-A/0.8-A HALF-BRIDGE GATE DRIVER WITH 5-V UVLO AND INTEGRATED BOOTSTRAP DIODE

Deep-Dive with AI

DocumentsMaximizing DC/DC converter designs with UCC27282 Mapping Application Requirements with the 120V Halfbridge Gate Driver +14

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM2105DSGR

Applications	DC Motors, General Purpose
Current - Output / Channel	500 mA
Current - Peak Output	800 mA
Fault Protection	UVLO
Features	Bootstrap Circuit
Interface	Logic
Load Type	Capacitive
Mounting Type	Surface Mount
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-WSON (2x2)
Technology	NMOS
Voltage - Supply [Max]	18 V
Voltage - Supply [Min]	5 V

LM2105 Series

107-V 0.5-A/0.8-A half-bridge gate driver with 5-V UVLO and integrated bootstrap diode

Part	Mounting Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Load Type	Fault Protection	Applications	Package / Case	Features	Current - Output / Channel	Interface	Technology	Current - Peak Output	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Package / Case [y]	Package / Case [x]
Texas Instruments LM2105DSGR	Surface Mount	5 V	18 V	Capacitive	UVLO	DC Motors General Purpose	8-WFDFN Exposed Pad	Bootstrap Circuit	500 mA	Logic	NMOS	800 mA	-40 °C	125 ¯C	8-WSON (2x2)
Texas Instruments LM2105DR	Surface Mount	5 V	18 V	Capacitive	UVLO	DC Motors General Purpose	8-SOIC	Bootstrap Circuit	500 mA	Logic	NMOS	800 mA	-40 °C	125 ¯C	8-SOIC	3.9 mm	0.154 in

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.87
		10	$ 0.77
		25	$ 0.72
		100	$ 0.59
		250	$ 0.55
		500	$ 0.47
		1000	$ 0.37
	Digi-Reel®	1	$ 0.87
		10	$ 0.77
		25	$ 0.72
		100	$ 0.59
		250	$ 0.55
		500	$ 0.47
		1000	$ 0.37
	Tape & Reel (TR)	3000	$ 0.34
		6000	$ 0.31
		15000	$ 0.30
		30000	$ 0.29
Texas Instruments	LARGE T&R	1	$ 0.63
		100	$ 0.48
		250	$ 0.35
		1000	$ 0.25

Description

General part information

LM2105 Series

The LM2105 is a compact, high-voltage gate driver designed to drive both the high-side and the low-side N-channel MOSFETs in a synchronous buck or a half-bridge configuration. The integrated bootstrap diode saves board space and reduces system cost by eliminating the need for an external discrete diode.

The –1-V DC and –19.5-V transient negative voltage handling on the SH pin improve the system robustness in high noise applications. The small, thermally-enhanced 8-pin WSON package improves PCB layout by allowing the driver to be placed closer to the motor phases. The LM2105 is also available in an 8-pin SOIC package compatible with industry standard pinouts. Undervoltage lockout (UVLO) is provided on both the low-side and the high-side power rails for protection during power up and power down.