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S6BP501A00SN2B000 Datasheet(PDF) 1 Page - Cypress Semiconductor |
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S6BP501A00SN2B000 Datasheet(HTML) 1 Page - Cypress Semiconductor |
1 / 23 page S6BP501A, S6BP502A 3ch DC/DC Converter IC for Automotive Cluster Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 002-03396 Rev. *D Revised September 9, 2016 PRELIMINARY S6BP501A/S6BP502A is a three channel output power management IC. This IC includes one high voltage buck DC/DC controller (DD3V), one buck DC/DC converter with built-in FETs (DD1V) and one boost DC/DC converter with built-in FETs (DD5V). Current mode architecture is used for fast load transient response. At no load, the input supply current is reduced to 15 µA (Typ). It is possible to provide stable output voltage under an automotive cold cranking condition until the input voltage falls to 2.5V. This IC is suitable for power supply solutions of automotive and Industrial applications. Each output voltage can be adjusted by external resistors. Both DD1V and DD5V support the switching frequencies up to 2.4 MHz to allow use of small size inductors, which can reduce a part mounting area. To decrease EMI, this IC equips a SYNC function that synchronizes to an external clock signal and a spread spectrum clock generator (SSCG). When not inputting an external clock, it operates by an internal clock. The SSCG is valid both internal clock and external clock. Moreover, this IC has power good (PG) monitors for each output and a thermal-warning indicator. Features Wide input voltage range : 2.5V to 42V (DD3V) Adjustable output voltage with pairs of resistors DD1V : 1.0V to 1.3V DD3V : 3.2V to 3.4V DD5V : 5.0V to 5.2V Switching frequency range (synchronizable to external clock by SYNC function) DD1V, DD5V Internal clock operation : 2.1 MHz (Typ) External clock operation : 1.8 MHz to 2.4 MHz DD3V (one-fifth-divided clock) Internal clock operation : 420 kHz (Typ) External clock operation : 360 kHz to 480 kHz Super-high efficiency by PFM operation (DD3V, DD5V : When fixing SYNC pin to a low level) Automatic PWM/PFM switching and fixed PWM operations are settable by SYNC pin (DD3V, DD5V) Operable on up to 100% duty (DD3V) Built-in phase compensators Built-in SSCG (spread spectrum clock generator) Synchronous rectification current mode architecture Shutdown current : 1 µA (Typ) Quiescent current : 15 µA (Typ) Load-independent soft-start Power good monitors for each output OVD (over voltage detection) UVD (under voltage detection) Enhanced protection functions UVLO (under voltage lockout) OVP (over voltage protection) OCP (over current protection) TSD (thermal shutdown) TWI (thermal warning indicator) Wettable QFN-32 package : 5 mm × 5 mm AEC-Q100 compliant (Grade-2) Applications Instrument cluster Automotive applications Industrial applications Block Diagram Battery 2.5-42V GND S6BP502A Boost Converter 2.1 MHz Power Good Buck Converter 2.1 MHz S6BP501A, Enable Power Sources Protection OSC, External SYNC, SSCG LDO, Enable 3.3 V 5.0 V 1.2 V SSCG Enable : Output voltages are finely adjustable with external resistive dividers 1 * 1 * 1 * 1 * External Clock for Synchronization Thermal Warning and Power Good Thermal Warning Buck Controller 0.42 MHz Load Switch |
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