AS3604 Preliminary Product Brief and AS3603/04 Delta Sheet, Confidential austriamicrosystems Preliminary Product Brief and AS3603/04 Delta Sheet, Confidential AS3604 AS3603 with Momentary Power Loss Detection, synchronous DCDC and increased driving capability of the LDOs General Description The AS3604 is based on the architecture of the AS3603. It has additional functions like momentary power loss detection, a synchronous DCDC buck converter, charger resume operation and increased driving capability of the LDOs. Key Features The AS3604 features all the functions of the AS3603 with the following additions (marked with boldface italcs): Momentary Power Loss Detection − Detect a short interruption (<200ms) of the battery supply (e.g. due to a dropped phone) Ten Programmable High Performance LDOs − Two Digital Low-Power LDOs (0.75 to 2.5V, 200mA; 250mA up to 1.4V) − Three RF Low-Noise LDOs (1.85 to 3.4V, 200mA) − Two RF Low-Noise LDOs (1.85 to 3.4V, 150mA) − One SIM Low-Power LDO (3.0V, 20mA) − One Periphery Low-Noise LDO (2.5 to 3.2V, 200mA) − One Low-Power LDO (2.5V, 10mA) Programmable High Efficiency DC/DC Converters − Step-down: 0.8V-3.4V, up to 500mA with 2.2MHz operating frequency and small external coil (2.2uH)) − Step Up: 15V, 45mA, (for White LEDs) Stereo Audio Power Amplifier − 0.5W @ 4Ω -Stereo − 1W @ 8Ω -Bridged − Digital Volume Control, 3dB Steps − Click- and Pop-Less Start-Up and PowerDown Complete Chemistry-Independent Battery Charger − Integrated Fuel Gauge − Automatic Trickle Charging − Programmable Constant Current Charging www.austriamicrosystems.com (ptr) Programmable Constant Voltage Charging Programmable Pulse Charging Safety Functions (Low Battery Shutdown) Operation without Battery No-Battery Detection Can regulate the current through the battery or from the charger − Charger Input Overvoltage protection (6V) − Shutdown even with connected charger − Charger Resume operation − Charger Interrupts (Inserted, Removed, Overvoltage, Resume) Four 8-Bit Programmable Current Sources (0.625mA to 160mA) support: − Buzzer − Vibrator − LEDs Wide Battery Supply Range 3.0 to 5.5V Four General Purpose Switches (1Ω and 2Ω) Three Programmable General Purpose I/O Pins On-Chip Bandgap Tuning for High Accuracy (±1%) Integrated Programmable Watchdog (7.5 to 1900ms) Programmable Reset (10 to 110ms) Shutdown Current typ 7µA (2.5V Always On) Overcurrent and Thermal Protection 0.35µ CMOS Solution 48-Pin, 6x6mm QFN Package (0.4mm pitch) 2.1 Watt Power Dissipation @ TAMBIENT = 70ºC Almost Pin Compatible to AS3603 (only one pin changed) − − − − − − Application Multi-standard power management for mobile phones, PDAs, and 1-cell Li+ or 3 to 4-cell Ni-MH powered devices. Revision 1.0 / 20060505 1-4 AS3604 Preliminary Product Brief and AS3603/04 Delta Sheet, Confidential austriamicrosystems 1 Block Diagram Figure 1 – AS3604 block diagram differences to the AS3603 marked with blue Buzzer Vibrator C1 1 F CURR4 CURR3 CURR2 CURR1 D1 MBR0520 VBAT STEPUP Step Up DC/DC Converter <=15V 45mA Current Source 4x(0.6-160mA) C2 330nF L1 22 H CAPP V2_5 Charge Pump 4.74V-5.25V 20mA VBAT_3 VBAT CAPN V5_6 C3 1 F Analog LDO Low Noise 2.5-3.2V 200mA <=2.6V 150mA possible VANA_1 Analog LDO Low Noise 1.85-3.4V 200mA <=2.6V 150mA possible VANA_2 C4 1 F VBAT_1 3.0-5.5V AS3604 Power Management Unit AOUT_L C20 >=100 F >=4 LS2 C23 100nF IN_L RF LDO Low Noise 1.85-3.4V 150mA AIN_R IN_R C24 100nF AOUT_R RF LDO Low Noise 1.85-3.4V 200mA (<=2.6V) VCHARGER C26 1 F R1 2k Q1 Si3441 VBAT All caps on VBAT >= 10 F total 1W Audio Amplifier C25 100nF C21 >=100 F DC Charger Adapter <=15V AIN_L AGND >=4 LS3 C27 6V Interrupt and Switchoff Overvoltage LiIon LiMH NiMH VGATE 3.6V Li-Ion 3.6V NiMH 4.8V NiMH R2 4.7k ISENSEP R4 50m C28 1 F R3 ISENSEN 4.7k RF LDO Low Noise 1.85-3.4V 200mA (<=2.6V) Internal LDO 2.5V 10mA Fuel Gauge GPIO Serial Interface Digital LDO 0.75-2.5V 250mA @ 1.4V 200mA possible Digital LDO 0.75-2.5V 250mA @ 1.4V 200mA possible POR SDO Feedback Digital Logic and References SCLK Synchronous Step Down DC/DC Converter 2.2MHz 0.6-3.4V, 500mA I/F Boot ROM SCSB SIM LDO 3.0V, 20mA RESET RBIAS VANA_1 R5 100k RESET www.austriamicrosystems.com (ptr) R6 220k CREF VBAT_4 3.0-5.5V C9 1 F VRF_2 C10 1 F VRF_3 C11 1 F VBAT_5 3.0-5.5V C12 1 F VRF_4 C13 1uF V2_5 on switch F 1µF if power loss detection is not used GPIO2 Interrupt, LCD Control etc GPIO3 GPIO4 removed 3.0-5.5V VBAT_6 ON SDI C8 1 F GPIO1 Momentary Power Loss Detection (200ms) Adjustable Shutdown with Charger Restart Chrgarger possible Added Charger removed Interrupt Charger VANA_1 resume @ 4.1V VRF_1 C7 VANA_1 V5_6 EOC does not stop charger (configurable) C6 1 F V2_5 Battery Charger GND_SENSE V2_5 or VBAT RF LDO Low Noise 1.85-3.4V 150mA C5 1 F Pad VDIG_1 C14 1 F VDIG_2 C15 1 F VDD_DIG 1.0-5.5V C30 1 F VBAT_2 LX C16 1 F VSIM 3.0-5.5V L2 H C17 1 F C18 10 F C19 1 F Rprogram R7 C29 RPROGRAM 100nF Revision 1.0 / 20060505 2-4 AS3604 Preliminary Product Brief and AS3603/04 Delta Sheet, Confidential austriamicrosystems Figure 2 – AS3604 block diagram Buzzer Vibrator C1 1 F CURR4 CURR3 CURR2 CURR1 D1 MBR0520 VBAT STEPUP Step Up DC/DC Converter <=15V 45mA Current Source 4x(0.6-160mA) C2 330nF L1 22 H CAPP V2_5 Charge Pump 4.74V-5.25V 20mA VBAT_3 VBAT CAPN V5_6 C3 1 F Analog LDO Low Noise 2.5-3.2V 150mA VANA_1 Analog LDO Low Noise 1.85-3.4V 150mA VANA_2 C4 1 F VBAT_1 3.0-5.5V AS3604 Power Management Unit AOUT_L C20 >=100 F >=4 LS2 C23 100nF IN_L RF LDO Low Noise 1.85-3.4V 150mA AIN_R IN_R C24 100nF AOUT_R RF LDO Low Noise 1.85-3.4V 200mA (<=2.6V) VCHARGER R1 2k Q1 Si3441 C27 Overvoltage 6V C26 1 F VBAT All caps on VBAT >= 10 F total 1W Audio Amplifier C25 100nF C21 >=100 F DC Charger Adapter <=15V AIN_L AGND >=4 LS3 LiIon LiMH NiMH VGATE 3.6V Li-Ion 3.6V NiMH 4.8V NiMH R2 4.7k ISENSEP R4 50m C28 1 F RF LDO Low Noise 1.85-3.4V 200mA (<=2.6V) Internal LDO 2.5V 10mA VANA_1 V5_6 Adjustable Charger Restart Digital LDO 0.75-2.5V 200mA GND_SENSE Digital LDO 0.75-2.5V 200mA ON SDO Feedback Digital Logic and References SCLK Synchronous Step Down DC/DC Converter 2.2MHz 0.6-3.4V, 500mA I/F Boot ROM SCSB SIM LDO 3.0V, 20mA RESET RBIAS CREF VANA_1 R5 100k RESET www.austriamicrosystems.com (ptr) VBAT_4 3.0-5.5V C9 1 F VRF_2 C10 1 F VRF_3 C11 1 F VBAT_5 3.0-5.5V C12 1 F VRF_4 C13 1uF V2_5 on switch F 1µF if power loss detection is not used GPIO2 Interrupt, LCD Control etc GPIO3 VBAT_6 VANA_1 Serial Interface C8 1 F GPIO1 GPIO POR SDI VRF_1 C7 Momentary Power Loss Detection (200ms) Fuel Gauge C6 1 F V2_5 Battery Charger R3 ISENSEN 4.7k V2_5 or VBAT RF LDO Low Noise 1.85-3.4V 150mA C5 1 F R6 220k Pad 3.0-5.5V VDIG_1 C14 1 F VDIG_2 VDD_DIG C16 1 F VSIM 1.0-5.5V C30 1 F VBAT_2 LX C15 1 F 3.0-5.5V L2 H C17 1 F C18 10 F C19 1 F Rprogram R7 C29 RPROGRAM 100nF Revision 1.0 / 20060505 3-4 AS3604 Preliminary Product Brief and AS3603/04 Delta Sheet, Confidential austriamicrosystems Copyright Copyright © 1997-2006, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, AustriaEurope. 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