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Philips

PCF50605 Datasheet Preview

PCF50605 Datasheet

Controller for Power Supply and Battery Management

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PCF50606HN/xA/N1 PCF50606HN/xB/N1
PCF50605HN/xA/N1 PCF50605HN/xB/N1
Controller for Power Supply and Battery Management
Rev. 2.2 — 9 April 2004
Preliminary Specification
1. General description
The PCF50606 and PCF50605 are highly integrated solutions for power supply
generation, battery management, and dedicated mobile system functions. A built-in
step down DC/DC converter provides a highly power efficient supply for a digital core,
while 2 additional DC/DC converters and 5 low dropout regulators are available to
supply all other functions in mobile systems. Furthermore, the PCF50606 provides a
10-bit ADC and touch screen readout support. Both devices enables a very efficient
system deep sleep state since it incorporates a real time clock and several wake up
functions. They can be controlled by a host controller via an I2C serial interface and
several dedicated pins. An intelligent interrupt system signals the host controller
about many power management events.
Whenever PCF50606 is mentioned in this document, this refers to both PCF50605
and PCF50606, unless a difference is noted. This document describes bondout
versions A and B; a separate specification is available of bondout version E.
! Next to this specification document, several application notes exist which describe
application advices and known limitations. It is strongly recommended to read these
documents before starting design activities.
c
2. Featuresc
s The PCF50606 operates from a 1 cell Li-Ion/Li-Polymer or a 3 cell NiCd/NiMH
battery pack.
s A serial interface (I2C) provides the exchange of information for the control data
and status between the PCF50606 and the host controller.
s Low power 32786Hz Xtal oscillator.
s Internal current controlled oscillator that generates the internal system clock.
s Interrupt controller that generates the interrupt request for the host controller. All
interrupt sources can be masked.
s A 8s watchdog timer (hereafter WDT), which shuts down the PCF50606 when it
expires after it is activated once. This watchdog can be reset through the I2C
interface.
s A fully integrated 500mA step-down converter (hereafter DCD) with
programmable output voltages, mask programmable reset voltage and operation
mode. This DC/DC converter generates typically the host controller core supply
voltage or is used as pre-regulator for sub 2V regulators to improve the power
efficiency of such a configuration.




Philips

PCF50605 Datasheet Preview

PCF50605 Datasheet

Controller for Power Supply and Battery Management

No Preview Available !

Philips Semiconductors
PCF50606
Controller for Power Supply and Battery Management
s A fully integrated DC/DC converter (hereafter DCUD) with programmable output
voltages, mask programmable reset voltage and operation mode. This converter
can be configured as a step-up with currents up to 250mA and as step down
converter, with currents up to 500mA. This converter is typically used as back-light
/ White LED supply in step-up mode. In step down configuration this converter
generates low supply voltages or is used as pre-regulation stage for linear
regulators to improve the power efficiency.
s A DC/DC step down controller (hereafter DCDE) with build-in drivers for external
power fets for high current outputs, programmable output voltage and mask
programmable reset voltage and operation mode. This converter is typically used
to generate high current supply voltages for memory systems or accessories.
s One 150mA low-dropout (LDO) voltage regulator (IOVDD) with programmable
output voltage and mask programmable reset voltage. This regulator also supplies
all pins of PCF50606 interfacing to the host controller.
s Three 150mA LDO voltage regulators (D1VDD till D3VDD) with programmable
output voltage. Its reset value is mask programmable.
s One 150 mA LDO voltage regulator (LPVDD) with programmable output voltage
and mask programmable reset voltage and operation mode. In its ECO mode (low
power operation mode), it can be kept activated permanently, independent of the
activation state of the PCF50606.
s Dynamic Voltage Management is supported on the DCD step-down converter.
This allows to switch between pre-defined (through the I2C interface) output
voltage settings under control of the PWREN inputs.
s Battery voltage monitor (hereafter BVM) to detect a too low main battery voltage
with programmable threshold levels.
s Main battery charger (hereafter MBC) to charge Li-ion/Li-polymer batteries and 3
cell NiMH/NiCd batteries.
x Constant Current / Constant Voltage charging method for Li-ion/Li-pol
batteries with external adjusted fast charge current and programmable
maximum battery voltage
x supports fully autonomous charging of Li-ion/Li-polymer batteries without
interaction of the host controller or a fully host controlled charging sequence.
x Supports the use of controlled charger plug through build in switch mode.
x Includes extensive safety features, including charger over voltage and over
current detection, battery voltage and temperature monitoring and a dedicated
watchdog / charge timer circuit.
s Includes a backup battery charger (hereafter BBC). A rechargeable backup
battery can be charged from the main battery. For charging, a programmable
constant voltage mode is supported.
s 10 bits analog to digital converter with analog input multiplexer. The built-in
voltage divider on the BATVOLT input allows direct connection of the battery
voltage to this input
x The built-in voltage divider and subtractor circuit on the BATVOLT / ADCIN1
inputs allows direct connection of the battery voltage to these pin, without
external voltage dividers and without resolution losses.
x The accessory detection comparator connected to the ADCIN2 input issues an
interrupt when an accessory is connected.
12NC
Preliminary Specification
Rev. 2.2 — 9 April 2004
© Philips Electronics N.V. 2003. All rights reserved.
2 of 136


Part Number PCF50605
Description Controller for Power Supply and Battery Management
Maker Philips
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PCF50605 Datasheet PDF






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