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| { | |
| "ticketNumber" : "892627", | |
| "reporterName" : "user777540", | |
| "rankPoints" : "550", | |
| "resolutionStatus" : "TI Thinks Resolved", | |
| "ticketName" : "BQ25898D: about the Charging Safety Timer count", | |
| "rankName" : "Intellectual", | |
| "replies" : " 5", | |
| "views" : " 44", | |
| "queryText" : "Part Number: BQ25898D hello, I have three questions about the Charging Safety Timer count. It is stated that the Charging Safety Timer count becomes half clock rate in the following cases. 1.Is the half clock rate during \"the status register bits VDPM_STAT (VINDPM) and / or IDPM_STAT (IINDPM) is / are set high\"? 2.Is half clock rate in supplement mode? 3.For example, is the half clock rate when the ILIM pin is limited at 500mA and the setting of the ICHG register is Default: 2048mA? Excerpt from data sheet During input voltage, current or thermal regulation, the safety timer counts at half clock rate as the actual charge current is likely to be below the register setting. For example, if the charger is in input current regulation (IDPM_STAT = 1) throughout the whole charging cycle, and the safety time is set to 5 hours, the safety timer willr expire in 10 hours. best regards", | |
| "partNumber" : " BQ25898D", | |
| "allResponseList" : [ { | |
| "contentId" : "3301228", | |
| "userName" : "Ning T", | |
| "rankPoints" : "15365", | |
| "rankName" : "Genius", | |
| "date" : "Mar 30, 2020 7:54 PM", | |
| "userId" : "145100", | |
| "content" : "Hi, 1. Yes. 2. Depending on if DPM or thermal regulation is in effective. 3. Yes as long as DPM or thermal regulation is in effective. Thanks, Ning." | |
| }, { | |
| "contentId" : "3309680", | |
| "userName" : "user777540", | |
| "rankPoints" : "550", | |
| "rankName" : "Intellectual", | |
| "date" : "Apr 8, 2020 12:11 AM", | |
| "userId" : "777540", | |
| "content" : "hello, In the following example, how many hours does the timeout take? For example, the charger is in the input current regulation state (IDPM_STAT = 1) for the entire charging cycle and the safety time is set to 5 hours. TMR2X_EN is enabled. The period during which the DPM function does not work and can be charged normally is 2 hours. After that, the DPM function is activated and a portion of the charging current is distributed to the system for an hour. After that, the DPM function does not work, and the period of time when it can charge normally is 4 hours. best regards" | |
| }, { | |
| "contentId" : "3314716", | |
| "userName" : "Ning T", | |
| "rankPoints" : "15365", | |
| "rankName" : "Genius", | |
| "date" : "Apr 14, 2020 4:19 AM", | |
| "userId" : "145100", | |
| "content" : "Hi, The safety timer only counts at half clock rate in the time frame when the device is in the listed conditions (DPM etc). The problem statement is not very clear. It is better to test on the charger to understand the safety timer behavior. Thanks, Ning." | |
| }, { | |
| "contentId" : "3322333", | |
| "userName" : "user777540", | |
| "rankPoints" : "550", | |
| "rankName" : "Intellectual", | |
| "date" : "Apr 21, 2020 5:51 AM", | |
| "userId" : "777540", | |
| "content" : "hello, In the following example, how many hours does the timeout take? During the following period, the conditions for charging termination are not satisfied. best regards" | |
| }, { | |
| "contentId" : "3329861", | |
| "userName" : "Ning T", | |
| "rankPoints" : "15365", | |
| "rankName" : "Genius", | |
| "date" : "Apr 28, 2020 4:10 AM", | |
| "userId" : "145100", | |
| "content" : "Hi, It is better to test on the charger for the specific case and understand the safety timer behavior. Thanks, Ning." | |
| } ], | |
| "tags" : [ "/support/power-management/f/196/tags/BQ25898D" ], | |
| "fourmType" : "TI" | |
| } |