Datasheet NLM0011 / NLM0010 NFC-PWM Series (Infineon) - 3

NLM0011/ NLM0010 " NFC-PWM Series " NFC Wireless Configuration IC with PWM Output 1 General 1 General
General information of NLM0011/ NLM0010 are given here. The NLM0011/NLM0010 belongs to the "NFC-PWM Series" product family and is used in LED lighting applications together with a current adjustable LED driver. The NLM0011/NLM0010 operates in two operating modes: • Configuration Mode - exclusively used to configure the device via NFC The NLM0011/NLM0010 enables a LED lighting module manufacturer to configure the LED lighting control of the module according to the characteristics of connected LED light. This configuration step completes the LED module manufacturing process and can be done contactless without powering the LED module. The final configuration of the LED module is done via Near Field Communication (NFC) between the configuration station and the LED module. The NLM0011/NLM0010 chip provides the NFC transceiver functions of the LED module and includes a non volatile memory (NVM) for storing the configuration data. The configuration data usually consist of the LED driver current setpoint value and a life time adjustment . The life time adjustment function compensates the aging effect of the LEDs by adjusting the LED setpoint current value according to the accumulated operating hours of the LEDs (NLM0011 only). Therefore the NLM0011 counts the operating hours of the connected LED and adjusts the LED current set point value to a aging function, which is configured via near field communication during the configuration step. In configuration mode, the content of the NVM can be read out via NFC by an external NFC reader. In configuration mode the NLM0011/NLM0010 is powered by the harvested energy of the NFC field. The device only enters the configuration mode, if the external supply voltage VCC is switched off, before applying the NFC field. After completion of NFC configuration the NFC field has to be removed before applying a supply on pin VCC in order to release the configuration as valid. The configuration mode is left by removing the NFC reader field. During NFC configuration mode the PWM output is inactive and switched to High Impedance ("High-Z"). • Lighting Operational Mode - exclusively used to provide a stored configuration in lighting application In lighting Operational Mode the NLM0011/NLM0010 is powered from the external Vcc source of the lighting module. The NLM0011/NLM0010 enters the lighting operational mode, if an external VCC source is present and the device is not in configuration mode. After powering up, means applying external VCC and no NFC field is present, when applying external VCC, the NLM0011/NLM0010 reads the LED current setpoint value configuration from the integrated NVM and configures a pulse width modulation (PWM) unit. The PWM cycle period and duty cycle contain the information of the LED current setpoint value. The PWM data are output of the chip and will be converted into an analog value externally or directly delivered to the LED controller (depending on the used external LED controller). The operation hours are counted and the LED current setpoint value is adjusted according to the aging function by changing the PWM output accordingly (NLM0011 only). That also implies that the NLM0011/NLM0010 accumulates the overall operating hours of the LEDs . That also requires to count the power on times, to store the current value of operating hours periodically into the NVM and to detect a power off event of the lighting system, in order to store the current value of operating hours at the moment of power off. In lighting operational mode the NLM0011/ NLM0010 does not communicate and does not respond to external NFC link partners and hence no external NVM access is possible. That means applying an NFC field to the device which already entered the lighting operational does not have any effect. Datasheet 3 2.0 2019-05-31 Document Outline Features Description Table of contents 1 General 2 Feature Overview 3 Application Overview 4 Pin Description 5 Functional Description 6 Memory Organization 7 Application and User Memory Access Control 8 NLM0011/NLM0010 EEPROM Shipment Content (Infineon to Customer) 9 Constant Lumen Output (CLO) and Operating Time Counting (OTC) 10 PWM Overview 11 NLM0011/ NLM0010 Command Set 12 NLM0011/ NLM0010 Electrical Characteristics 13 Package Outline Revision history Disclaimer