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Details for TPS61090RSARG4 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
BOOST CONVERTER 0.5A ADJ 61090
TPS61090RSARG4 image

TPS61090RSARG4 by Texas Instruments

BOOST CONVERTER 0.5A ADJ 61090
Features
Adjustable Output Voltage Up to 5.5 V Fixed Output Voltage Options
Available in a 16-Pin VQFN 4 x 4 Package
Device Quiescent Current: 20 u00b5A (Typ)
Input Voltage Range: 1.8 V to 5.5 V
Load Disconnect During Shutdown
Low Battery Comparator
Low EMI-Converter (Integrated Antiringing Switch)
Over-Temperature Protection
Power Save Mode for Improved Efficiency at Low Output Power
Synchronous (96% Efficient) Boost Converter With 500-mA Output Current From 1.8-V Input
Part Information
TPS61090RSARG4 image
RoHS Compliant
Description
The TPS6109x devices provide a power supply solution for products powered by either a one-cell LiIon or Li-Polymer, or a two-cell alkaline, NiCd or NiMH battery and required supply currents up to or higher than 1 A. The converter generates a stable output voltage that is either adjusted by an external resistor divider or fixed internally on the chip. It provides high efficient power conversion and is capable of delivering output currents up to 0.5 A at 5 V at a supply voltage down to 1.8 V. The implemented boost converter is based on a fixed frequency, pulse-width- modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. Boost switch and rectifier switch are connected internally to provide the lowest leakage inductance and best EMI behavior possible. The maximum peak current in the boost switch is limited to a value of 2500 mA. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The output voltage can be programmed by an external resistor divider or is fixed internally on the chip. The device is packaged in a 16-pin VQFN 4-mm x 4mm (16 RSA) package.
Specifications
Topology:
Synchronous Boost (Step Up)
Input Voltage Min:
1.8V
Input Voltage Max:
5.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
QFN
No. of Pins:
16Pins
Output Current:
2A
Output Voltage Min:
1.8V
Output Voltage Max:
5.5V
Switching Frequency:
700kHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
3%
Adjustable Output Voltage Max:
1.8V
Base Number:
61090
Frequency:
700kHz
IC Generic Number:
61090
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Output Current Max:
0.5A
Output Voltage:
5.5V
Power Supply IC Type:
Step-up convertor
Primary Input Voltage:
5.5V
Supply Voltage Min:
1.8V
Switch Output Current Isw Max:
2A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Up (Boost)