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品佳集团主打 茂达电子应用于Smart phone系列之电源管理解决方案

 2009-08-26
茂达电子针对目前Smart phone提供完整Power Solution、Class D喇叭驱动IC以及Cap-free耳机放大器。

Smart Phone Power Structure:
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APA2010 Class D audio Amp.
‧P2p TPA2010D, EUA2010 for DFN-8 package
‧P2p TPA2005, LM4671 for WCSP-9
‧Operating voltage 2.4~5.5V
‧High efficiency up to 90%
‧Supply current , IDD=1.6mA/ 3.6V
‧Low shutdown current 1uA/5V
‧Less external components required
‧High PSRR 80db/217HZ
‧Thermal shutdown/over current protection
‧Depop circuit integrated
‧Compact Package TDFN-8, WCSP-9

Pin-out Diagram:
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APA2178 270mW Stereo
Cap-free Headphone Driver

‧P2p MAX4411, TPA4411
‧No Output Capacitor Required
‧Dual Supply Voltage (PVDD>VDD)
- VDD=2.2~4.5V
- PVDD=2.2~5.5V
‧Meeting VISTA Requirements
‧Output Power at 10% THD+N
- 270mW at VDD=3.3V, PVDD=5.0V, RL=16Ω
- 70mW at VDD=1.8V, PVDD=3.0V, RL=16Ω
‧Less External Components Required
‧High PSRR: 80dB at 217Hz
‧Fast Start-up Time: 120uS
‧Short Circuit and Thermal Protection
‧Surface-Mount Package - WLCSP 2X2mm-16 Bump

Pin-out Diagram:
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APL3209 Li+ Charger:
‧Programmable Charge Current Up to 900mA
‧4.2V Charge Termination Voltage with ±25mV
‧80mA Trickle Charge Current )RIREF=100KΩ)
‧Thermal Regulation Simplifies Board Design
‧External Thermistor Monitor
‧Programmable Maximum Charge Time
‧Enable/Disable Control
‧Charge Status and Fault Indication Outputs
‧Small Package:TDFN-10(3X3)

Pin-out Diagram:
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APL3203/4 Li+ Charger Protection IC
‧APL3203 P2p BQ24314/6
‧APL3204 P2p ISL 9200/9, BQ24314/6
‧Fully Integrated protection Circuit for three protected
‧variables ( OVP, OCP and OTP)
‧High accuracy protection thresholds
‧User programmable over current protection threshold
‧Input over voltage protection in less than 1us
‧High immunity of false trigging under transient.
‧Warning output to indicate the occurrence of faults
‧Thermal enhanced TDFN-8 (2X2), TDFN-12(4X3) package

Pin-out Diagram:
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