Quantcast
Channel: Chris Glaser's Groups Activities
Browsing all 635 articles
Browse latest View live

Looking for a combination of LiPO charger, gauge and buck/boost

Hello,I am looking for a power management solution for my uC board that has a 3.7 V LiPo power supply. I need a 3.3 V output with a max current draw of 500 mA, and a battery gauge, as well as a USB...

View Article


TPS62420 Settling Time

Require 1.85V for CC3200 in pre-regulated mode.  Line and load regulation with less than 2% ripple, 500 mA step current and settling time of < 4 μs with the load step.  Therefore changed from...

View Article


WEBENCH® Tools/CC2640R2F: power supply design for my embedded system

Part Number:CC2640R2FTool/software: WEBENCH® Design Toolsmy embedded system contains:CC2640R2F - 1.8V and 0.03Amodule A - 1.8V and 0.2AModule B - 1.8V and 0.002Amodule C - 1) 3.3V and 0.4A2) 3.3V and...

View Article

ADC12DJ3200: Power supply desig for 3 ADCs

Part Number:ADC12DJ3200Hi TI Team,We are planning to use ADC12DJ3200 and DAC38RF80 in our design of data acquisition. We will be using three Nos. of ADC12DJ3200 and DAC38RF80.There will be separate...

View Article

Image may be NSFW.
Clik here to view.

Do all rails need low Iq?

All designers of ultra-low power systems are concerned about battery life. How much time will elapse before the battery in a fitness tracker will need recharging? Or, for primary cell systems, how long...

View Article


MSP430G2553: SLAA604

Part Number: MSP430G2553Hi, We are using MSP430G2553 in our design.  We are implementing a floating buck convertor in our design. We can across the following application note in TI website. We see the...

View Article

TI__Guru***

Achievement awarded to TIers with points from 125001 to 150000.

View Article

Image may be NSFW.
Clik here to view.

3 quiescent-current (Iq) specifications you need to understand

Other Parts Discussed in Post: TPS62840, BQ21061, BQ25120, TPS61094, TPS61099A common definition of quiescent current (IQ) is the current drawn by an integrated circuit (IC) in a no-load and...

View Article


Image may be NSFW.
Clik here to view.

Efficiently Power that Op Amp

Efficiency versus load current with Vout = -5VIn many applications, such as temperature sensing, two supply voltages are needed to power an op amp in the system—one positive and one negative.   This...

View Article


DAC53608: Design Tool for Output Voltage Adjustment using a DAC - SLVC780

Part Number: DAC53608Other Parts Discussed in Thread: TPS62088Hello all!I'm reaching out to the wider and more experienced audience to see if anyone has experience with using the Excel based design...

View Article

TPS62420 Settling Time

Other Parts Discussed in Thread: TPS62420, TPS62421, CC3200, TPS62080, TPS62085Require 1.85V for CC3200 in pre-regulated mode.  Line and load regulation with less than 2% ripple, 500 mA step current...

View Article

Image may be NSFW.
Clik here to view.

Extend the life of your coin cell with boost + bypass operation!

Picture this--You are designing your company’s latest and greatest water meter and have been asked to increase its battery’s run time by 10% over the previous model.  This is now the fourth product...

View Article

ADC12DJ3200: Power supply desig for 3 ADCs

Part Number: ADC12DJ3200Other Parts Discussed in Thread: DAC38RF80, TPS62085, TPS7A7200, TPS62827, TPS62136, TPS63710, TPSM82480, TPS62180, TPS543B20, TPS543C20, TPS548D22, TPS548B22, TPS549D22,...

View Article


Image may be NSFW.
Clik here to view.

3 Keys to Ultra-Low-Power in Wearable Designs

Looking to develop a wearable device, such as a watch, oximeter, or blood pressure monitor?  The small size and high functionality required in a smart watch pose two basic challenges to the system...

View Article

MSP430G2553: SLAA604

Part Number: MSP430G2553Hi, We are using MSP430G2553 in our design.  We are implementing a floating buck convertor in our design. We can across the following application note in TI website. We see the...

View Article

Browsing all 635 articles
Browse latest View live