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Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search
power management
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Frequent questions
David_Daniels
18 days ago
Power management
Power management forum
[FAQ] TPS53318: [Grounding the ROVP Pin on TPS53318 & TPS53319
Part Number: TPS53318 What is the recommended connection for the ROVP pin?
Peter James Miller
20 days ago
Power management
Power management forum
[FAQ] TPS546D24A: Does the USB-to-GPIO dongle have internal pull-ups? What resistance? To what voltage?
Part Number: TPS546D24A The TI USB-to-GPIO interface dongle does include internal pull-ups to the on-board 3.3V supply voltage. The Pull-up resistor values are selectable with 4 levels, set through the USB Adapter Settings option under the TOOLS menu...
Peter James Miller
20 days ago
Power management
Power management forum
[FAQ] TPS546D24A: What termination voltage can the PMBus / SMBus / I2C bus pins support and what pull-up resistors should be used?
Part Number: TPS546D24A Can the TPS546D24A PMBus / SMBus / I2C port be pulled up to 1.8V? The TPS546D24A's digital interface pins PMB_CLK and PMB_DAT are designed to support SMBus 3.1 1MHz class High-Power digital interface. Per the SMBus 3...
Kadeem Samuel
22 days ago
Power management
Power management forum
[FAQ] TPS53318: Grounding the ROVP Pin on TPS53318 & TPS53319
Part Number: TPS53318 What is the recommended connection for the ROVP pin? Our recommendation is to ground ROVP pin if the ROVP pin not used. Do not float the ROVP pin. What is the issue if you leave ROVP floating? Floating the ROVP pin can cause...
Pablo Acuna
22 days ago
Power management
Power management forum
[FAQ] UCC21520: Parallel resitor between Gate and Source and 0V ground plane
Answered
Part Number: UCC21520 Hi, I have seen a 10kOhm resistor between Gate and Source (see R14 and R12 in the attached fig from tidue55b.pdf), but I cant figure out why the resistor is there. My guess is because measuring purposes without a MOSFET being there. I am using a +15, -5V dual output configuration...
Paul Yeh
26 days ago
Power management
Power management forum
[FAQ] LM25118: Why can't operate when Vin is lower than 4V?
Part Number: LM25118 Hi team, My customer used this device in their system but they need support Vin voltage low to 3.5V. But currently they found when input voltage is lower than 4V, our device will be off. Below is their circuit and please advise...
Yoshiki Ochi
1 month ago
Power management
Power management forum
[FAQ] LM2663: How much ESR and capacitance are recommended for external capacitor?
Part Number: LM2663 Hi team, Could you tell me How much ESR and capacitance (range) are recommended for external capacitor as C1 and C2? I would like to use LM2633 as +2.5V input and -2.5V output converter. Regards, Ochi
WM5295
1 month ago
Power management
Power management forum
[FAQ] BQ77216: How do I reduce the cell count?
Answered
Part Number: BQ77216 When I don't need all 16 cells of the BQ77216, how should I connect the inputs?
Kevin LaRosa
1 month ago
Power management
Power management forum
[FAQ] TPS650864: What to do with unused voltage regulators / rails?
Answered
Part Number: TPS650864 Hello, The TPS650864 has multiple default settings options (orderable part numbers) but it is common that they won't be a perfect match for a given design. What should I do if I don't want to use one of the regulators that is enabled by the OTP sequence in a particular...
Don Dapkus
2 months ago
Power management
Power management forum
[FAQ] UCC5310: Logic input characteristics of UCC53XX family
Answered
Part Number: UCC5310 The UCC53XX family, excluding UCC5304, have "CMOS compatible" inputs. UCC5304 has "TTL compatible inputs." What does this mean? Why doesn't the UCC5390SCDEVM-010, UCC5350, UCC5390ECDWVEVM, UCC5350-Q1, UCC5390, UCC5390-Q1, UCC5320SCEVM-058, UCC5310, UCC5320...
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Latest post
by
David_Daniels
Feb 12, 2021 4:50 PM
[FAQ] TPS53318: Grounding the ROVP Pin on TPS53318 & TPS53319
TI thinks resolved
1 Reply
162 Views
Latest post
by
David_Daniels
Feb 12, 2021 4:42 PM
[FAQ] TPS53318: [Grounding the ROVP Pin on TPS53318 & TPS53319
Resolved
1 Reply
122 Views
Latest post
by
Yuting Shao
Mar 3, 2021 2:58 AM
TPS61165: Missing/wrong formulas to estimate full Power Dissipation
TI thinks resolved
12 Replies
96 Views
Ian Wang
Mar 3, 2021 2:54 AM
TPS2660: TPS26600
0 Replies
0 Views
Li Chen92
Mar 3, 2021 2:50 AM
LM66100: Figure 17 related issues for LM66100
0 Replies
0 Views
Layne Jakahi
Mar 3, 2021 2:50 AM
TPS25982: Cdvdt and the TPS259827ONRGE
0 Replies
0 Views
Tommy Tzeng
Mar 3, 2021 2:45 AM
TPS54678: Compensation calculation.
0 Replies
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Yuting Li
Mar 3, 2021 2:44 AM
LM5015: Start-up inrush current of LM5015
0 Replies
0 Views
Latest post
by
Kirk Zhang
Mar 3, 2021 2:42 AM
BQ27742-G1: CPU thermal_zone0 channel was occupied
TI thinks resolved
7 Replies
28 Views
Latest post
by
Yuting Shao
Mar 3, 2021 2:41 AM
LM3550: Not charging in fixed voltage mode.
9 Replies
68 Views
Latest post
by
Victor Yu
Mar 3, 2021 2:41 AM
LM76003-Q1: Hot issue on LM76003-Q1
Resolved
5 Replies
40 Views
Latest post
by
Aaron Paxton
Mar 3, 2021 2:15 AM
TPS7A47: Change in functionality, stuck at 2.5V and pulls high current
3 Replies
14 Views
Latest post
by
Ruby Li
Mar 3, 2021 2:13 AM
TPS54326: How to estimate this power is stable or not, through switching jitter?
1 Reply
8 Views
Latest post
by
Jayden Li
Mar 3, 2021 2:11 AM
BQ34Z100-G1: SOC is not accurate
1 Reply
12 Views
Latest post
by
Koji Hayashi92
Mar 3, 2021 2:00 AM
LP8864S-Q1: Operation of ISEL[10:0]
Resolved
2 Replies
17 Views
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