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The RT9532 optimizes the charging task by using a control algorithm including pre-charge mode, fast charge mode and constant voltage mode
Products ▶ Battery Management ▶ Single Cell Li-ion Battery Chargers ▶ RT9532
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A fast load step will excite the system control loop overa wide frequency range
Design Support ▶ Design Reference ▶ RD0004
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and shut-down sequence from VIN or Enable Fast load transient test at different input
About Richtek ▶ Product Newsletters ▶ Newsletter Issue 14
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Especially for high C-rate battery charging application, it can measure battery voltage by
Products ▶ Battery Management ▶ Battery Fuel Gauge ▶ RT9422
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Especially for high C-rate battery charging application, it can measure battery voltage by
Products ▶ Battery Management ▶ Battery Fuel Gauge ▶ RT9422A
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fact that during this event, the battery voltage drops very fast, down to very low levels
Design Support ▶ Technical Documentation ▶ Car Battery Cold Crank Waveform Generator
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This application note introduces the design approach of G-NAVPTM control topology and shows the recommend PCB layout rules to avoid noise interference to make the controller more robust.
Design Support ▶ Technical Documentation ▶ Component Design Approach and Layout Consideration of G-NAVPTM Topology
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An approximateformula for voltage sag during a fast load step is shown below
Design Support ▶ Technical Documentation ▶ RT6204 Wide Vin Buck Converter
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value start-up resistors R1 & R2 while still achieving fast start-up (typically 123msec
Design Support ▶ Technical Documentation ▶ Low Cost 8W Off-line LED Driver using RT8487
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