Users Manual ISL9241EVAL1Z Users Manual: Evaluation Board Battery and Optical Rev.2.00 Oct 2018USERS MANUAL ISL9241EVAL1Z UG184 Rev.2.00 Evaluation Board Oct 22, 2018 1. Overview The ISL9241 is a configurable buck-boost Narrow Output Voltage DC (NVDC) and Hybrid Power Buck-Boost (HPBB) combo charger that uses the advanced Renesas R3 Technology to provide high light-load efficiency, fast transient response, and seamless DCM/CCM transitions for a variety of mobile and industrial applications. In Charge mode, the ISL9241 takes input power from a wide range (4V to 20V) of DC power sources (conventional AC/DC charger adapters, USB PD ports, travel adapters, etc.) and safely charges battery packs with up to four cells in a series configuration. The ISL9241 supports On-the-Go (OTG) functionality for 2- and 4-cell battery applications. When OTG function is enabled, the ISL9241 operates in Reverse Buck mode to provide 5V at the USB port. 2 Serial communication through SMBus/I C allows programming of many critical parameters to deliver a customized solution. These programming parameters include, but are not limited to, adapter current limit, charger current limit, system voltage setting, and trickle charging current limit. The ISL9241EVAL1Z evaluation board is designed to demonstrate the performance of the ISL9241. From the PROG pin to GND, the resistor can be used to program the default value numbers of the battery in series, the switching frequency, and the adapter current limit charging function. The default value numbers can also be set by SMBus. 1.1 Key Features Buck-boost NVDC and HPBB charger for 2-, 3-, and 4-cell Li-ion batteries Autonomous End of Charge (EOC) option System power monitor PSYS output PROCHOT open-drain output Allows trickle charging of depleted battery Supplemental power (Intel VMIN active protection) Ideal diode control in Turbo mode Reverse buck, boost, and buck-boost operation from battery Two-level adapter current limit available Battery Ship mode option 2 SMBus and auto-increment I C compatible 1.2 Specifications V = 3.8V to 24V (no dead zone) IN V = 3.9V to 18.304V OUT MAX I up to 6A charge 1.3 Ordering Information Part Number Description ISL9241EVAL1Z ISL9241 buck-boost charger evaluation board UG184 Rev.2.00 Page 2 of 30 Oct 22, 2018