Portable Power: Ultra-Low Power, Battery Management Tech Papers, App Notes, Products

Technical Archives

Reducing energy use, PCB clutter in portables (23/02/10)
Providing active cell balancing in battery design (16/02/10)
The green challenge of USB charging for mobile phones (10/02/10)
Understanding USB port charging (Part 1) (27/01/10)
Design guidelines for portables' power supply (23/12/09)
Making battery chargers greener (07/12/09)
Comparing switched-capacitor, coil DC/DC converters (12/11/09)
Power ride-through apps turn to supercapacitors (30/09/09)
Mobile apps push new trends in power management ICs (31/08/09)
Improving battery life with ultra low-power codecs (10/08/09)
Minimise power dissipation in low-power RF devices (07/08/09)
Proximity detection enables energy-efficient devices (06/08/09)
Boost converter doubles peak audio power (23/07/09)
The real score in portable power specs (16/06/09)
Choose the right battery tech (20/04/09)

Application Notes

bq20z40/45/60/65 PCB layout guide (03/02/10)
Data flash programming and calibrating the bq20zxx family of gas gauges (02/02/10)
DN-81 UCC3911 demonstration board (29/01/10)
Design and application guide for SG6859D (15/01/10)
Automatic charge reduction (CHR) function solves issues with Li-ion battery charging from USB ports (19/11/09)
Buck boost vs. buck converter battery life for portable 3.3V micro HDD applications (12/11/09)
Surface mount assembly guideline for WLCSP 1.0x1.5 (28/10/09)
STUSBCD01B configuration and operation (22/10/09)
Low drop out, phase margin and stability (16/10/09)
Multiple chemistry battery charger solution using MCP1631HV PIC attach PWM controller (05/10/09)
NiMH battery charger demonstration board through USB-based on the ST7FLIT15BY0 (15/09/09)
Design a low-cost lithium iron phosphate (LiFePO4) battery charger with MCP73123 (08/09/09)
i.MX233 power management unit and battery charger (27/08/09)
Circuit refinements ensure quality audio in portable devices (24/08/09)
Li-ion, Li-pol charger using MC9S08QD4 (10/08/09)

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