BQ25606: Disable JEITA function
Part Number:BQ25606Hi team,If I want to disable JEITA function, can I just put resistor divider in TS pin with 10k + 10k ohm?My customer doesn't want JEITA function and he prefers we have standalone...
View ArticleBQ34Z100-G1: Learn cycle of high capacity pack stuck at 'Update Status' 04
Part Number:BQ34Z100-G1We're having some difficulties getting a high capacity (30+P) battery pack to successfully progress through a learn cycle. Are there any points we should be aware of on how to...
View ArticleTPS2662: need JEDEC package information for DRC0010J
Part Number:TPS2662What document should I consult to find the JEDEC package reference for DRC0010J (TPS26620).Thank you!
View ArticleBQ40Z50-R1: Battery pack aggregation
Part Number:BQ40Z50-R1Hello,I want to connect two 2S2P battery packs (based each on the BQ40Z50-R1) together with a Y cable to form a big battery pack.Someone told me that it is not good because...
View ArticleBQ2083-V1P3: BQ2083 seal and unseal problem
Part Number:BQ2083-V1P3HiI need these code too.may i ask u to send these codes to my email?namnam1097866@yahoo.comthanks.
View ArticleBQ25120A: Looking for a formula that gives RIPRETERM in terms of "% of ISET"...
Part Number:BQ25120AHello team,Hope you are doing well. When you get a chance please see below question from the customer:In section 9.3.12 of the datasheet for BQ25120A, Table 3 shows a few discrete...
View ArticleLM34936: LM34936 Low Voltage Input, EVM Modification
Part Number:LM34936Hello,I plan on running my application's LM34936 supply off a lithium polymer battery, down to about 3V. The datasheet says that operation should be possible down to 2.5V with an...
View ArticleTPS65217: TPS65217x powered by BAT pins
Part Number:TPS65217Hi Team, I am using TPS65217x (Single-Chip PMIC for Battery-Powered Systems), the AC input voltage (pin 10), is the power input pin. This power pin accept input voltage 4.3v-5.8v,...
View ArticleUCC2897A: if the working temperature below -40°C, what will happen or which...
Part Number:UCC2897AHi team,My customer is using the UCC2897A now. They want to check when the temperature below -40°C, what will happen or which spec has problem?BTW: How we define the recommend...
View ArticleUCC24612: Work with TI PoE solution
Part Number:UCC24612Hi TI,Could UCC24612 work with TI PoE solution TPS2375x series ?Is there any limitation while using UCC24612 with TPS2375x?Thank you.C.T.
View ArticleTPS23756: How to choose pulse transformer for Flyback topology
Part Number:TPS23756Hi TI,Refer to reference design SLVA475, it recommend using pulse transformer to driver 2nd side SR MOSFET.Here are the questions:1. How T3 be calculated?2. Is there any document...
View ArticleTPS92640: failing of boot diode
Part Number:TPS92640Hi,i have an issue with TPS92640.The BOOT diode failed and created a shortage. Probably the IC is also damaged.A replacement of the diode with DFLS1100 got the IC working...
View ArticleClik here to view.
BQ76PL455A: BQ76PL455A daisy chain measurement settings - no responses as...
Part Number:BQ76PL455AHi,We have 1 BQ76PL455A chips work with S12 MCU. It work fine.Then, we stack another 1 BQ76PL455A. It can not work.So, We do connect the 2 BQ76PL455A to PC.Then, we disconnect the...
View ArticleUCC27211: H bridge application where the same driver keeps failing
Part Number:UCC27211Hello,I apologize for taking so long to respond. I had to attend to another project.The problem remains after replacing the 5600 pF bootstrap capacitor with a 0.1U capacitor.The...
View ArticleTPS28225: Looking for help with SLUU271 - MathCAD Efficiency and Power Losses...
Part Number:TPS28225Hello,I am working through SLUU271 MathCAD file for calculating the Efficiency and Power Losses of Synchronous Buck Converters. I searched the web and IEEE to find the conference...
View ArticleBQ25606: Selecting charging current to either 500mA for SDP and 1A for...
Part Number:BQ25606Hello,I am currently using the BQ25606 to power a system and charge 3.7V 2600mAh Li-Ion Battery.I have configured the ILIM resistor to 475ohms and ICHG resistor to 681ohms,...
View ArticleClik here to view.
BQ24450: BQ24450 SLA charging current drop
Part Number:BQ24450I need help about SLA battery charger, BQ24450, I modified BQ24450EVM-691 to charge a SLA battery, 4V, 2AH. The charger works good after I changed several resistors. the fast...
View ArticleBQ27742-G1: Current protection is triggered before it reach the specified value.
Part Number:BQ27742-G1In charge and discharge current protection is triggered before it reach the specified value. The specified value for Hardware Overcurrent in Charge Configuration is 28 mV and for...
View ArticleClik here to view.
WEBENCH® Tools/LM2733: Unstable output. Webench not working. Webench export...
Part Number:LM2733Tool/software: WEBENCH® Design ToolsI am trying to use the LM2733 as a boost converter for a low load, < 20mA. +5V input, +15V output. The output is unstable and has a >1V...
View ArticleLM3481SEPICEVAL: Design mismatches
Part Number:LM3481SEPICEVALHello,We have a copy of the LM3481SEPICEVAL board and noticed a few discrepancies between the component values in the user guide and what is actually populated on the...
View Article