DatasheeDatasheett Power Supply IC Series for TFT-LCD Panels Multi-channel System Power Supply IC + Gamma Buffer BD8162AEKV General Description Key Specifications The BD8162AEKV is a system power supply IC that Power Supply Voltage 1 Range: 4.2V to 14V provides control 6 power supply channels and 4 gamma Oscillating Frequency: 200kHz to 800kHz(Variable) output channels + VCOM required for TFT-LCD panels on Operating Temperature Range: -40C to +105C a single chip. All channels have built-in control input and Power-Good output functions, enabling free sequence control setting just by changing channels. In addition, the Package W(Typ) x D(Typ) x H(Max) BD8162AEKV is a user-friendly IC incorporating input switch, short-circuit protection, and protection detection output circuits. Features Step-up DC/DC Converter with Built-in 3A FET Step-down DC/DC Converter with Built-in 2A FET Synchronous Rectification Step-down DC/DC Converter with Built-in 2A FET 3ch LDO Regulator (500mA, 200mA, 20mA) Positive/Negative Charge Pumps 4ch Gamma Buffer Amplifier + VCOM HTQFP64V Protection Circuits: 12.00mm x 12.00mm x 1.00mm Under-Voltage Lockout Protection Circuit Thermal Shutdown Circuit Timer Latch Type Short-Circuit Protection Circuit Controllable Startup Sequence Applications LCD TV power supplies Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0323AAF00690-1-2 2016 ROHM Co., Ltd. All rights reserved. 1/26 TSZ2211114001 15.Feb.2016 Rev.001 BD8162AEKV Typical Application Circuit (1) 1. Application used to input VCC12V: BD8162AEKV Figure 1. Typical 12V Input Application Diagram 2. Startup Sequence VCC input VDD3 VDD1 AVCC VOL VOH (Sync rectification) (Step-down) (Step-up) (Negative charge pump) (Positive charge pump) VDD2 LDO3 (LDO2) AMP+VCOM 3. Sequence Image Chart VOH AVCC V (12V) CC LDO3 AMP VDD3 + VDD1 VCOM VDD2 VOL Figure 2. Sequence Chart www.rohm.com TSZ02201-0323AAF00690-1-2 2016 ROHM Co., Ltd. All rights reserved. 2/26 TSZ2211115001 15.Feb.2016 Rev.001