The TPS92315 flyback power supply controller provides isolated output current regulation without the use of an optical coupler. The devices process operating information from the primary power switch and an auxiliary flyback winding to provide precise output current control. Low start-up current, dynamically controlled operating states and a tailored modulation profile support very low stand-by power without sacrificing start-up time or output transient response.

Control algorithms in the TPS92315 allow operating efficiencies to meet or exceed applicable standards. The drive output interfaces to a FET power switch. Discontinuous Conduction Mode (DCM) with valley switching is used to reduce switching losses. A combination of switching frequency and peak primary current amplitude modulation is used to keep conversion efficiency high across the full load and input voltage range.

The controller has a maximum switching frequency of 130 kHz and always maintains control of the peak primary current in the transformer. Protection features help keep secondary and primary component stress levels in check across the operation range.

• Primary-Side Regulation (PSR) eliminates opto-coupler
• ±5% LED current regulation
• 130 kHz maximum switching frequency enables high power density SSL drivers designs
• Quasi-resonant valley switching operation for highest overall efficiency
• Patent-pending frequency jitter scheme to ease EMI compliance
• Wide VCC range (35V) allows small bias capacitor
• Drive output for MOSFET
• Protection functions: over-voltage, low-line, and over-current
• SOT23-6 package

• Input voltage (type)
• AC/DC
• Topology
• Flyback
• Vin (Min) (V)
• 9
• Vin (Max) (V)
• 35
• Iout (Max) (A)
• 2
• Iq (Typ) (mA)
• 2.1
• Features
• Soft Switching, Thermal Shutdown
• Operating temperature range (C)
• -40 to 125
• Dimming method
• Analog

TPS92315的完整型号有：TPS92315DBVR、TPS92315DBVT，以下是这些产品的关键参数及官网采购报价：

TPS92315DBVR，工作温度：-40 to 125，封装：SOT-23 (DBV)-6，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS92315DBVR的批量USD价格：.35（1000+）

TPS92315DBVT，工作温度：-40 to 125，封装：SOT-23 (DBV)-6，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS92315DBVT的批量USD价格：.42（1000+）

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助?PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)

TPS92315DESIGN-CALC — TPS92315 Design Calculator

TPS92315 设计计算器是一个基于 Excel 的设计工具，用于帮助确定 TPS92315 初级侧感应 AC/DC LED 驱动器的外部组件值。TPS92315 适用于 LED 灯和筒灯等无相可调光 LED 照明应用。它的材料成本较低、组件尺寸较小，因此非常适合用在 GU-10 等空间受限的 LED 灯泡中。