NXP Semiconductors TEA1202TS
The TEA1202TS is a fully integrated battery power unit including a high-efficiency DC/DC converter which runs from a 1-cell NiCd or NiMH battery, two low dropout voltage regulators and a low battery detector. The circuit can be arranged in many ways to optimize the application circuit of a power supply system.FEATURES
● Fully integrated battery power unit, including complete DC/DC converter circuit, two Low DropOut voltage regulators (LDOs) and a battery low detector● Configurable for 1, 2 or 3-cell Nickel-Cadmium (NiCd) or Nickel Metal Hybrid (NiMH) batteries and 1 Lithium Ion (Li-Ion) battery
● Guaranteed DC/DC converter start-up from 1-cell NiCd or NiMH battery, even with an load current
● Upconversion or downconversion
● Internal power MOSFETs featuring a low RDSon of approximately 0.1 Ω
● Synchronous rectification for high efficiency
● Soft start
● PWM-only operating option
● Dropout voltage of 75 mV at 50 mA
● Both LDOs are also applicable as low-ohmic power switches
● Stable LDO performance with ceramic capacitors
● Stand-alone low battery detector requires no additional supply voltage
● Low battery detection level at 0.90 V, externally adjustable to a higher level
● Adjustable output voltages
● Shut-down function
● Small outline package
● Advanced 0.6 µm BICMOS process.
APPLICATIONS
● Cellular phones● Cordless phones
● Personal Digital Assistants (PDAs)
● Portable Audio Players
● Pagers
● Mobile equipment.