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Cypress Semiconductor Electronic Components Datasheet

S6BP501A Datasheet

3ch DC/DC Converter

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S6BP501A, S6BP502A
3ch DC/DC Converter IC
for Automotive Cluster
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
DD3V
: 1.0V to 1.3V
: 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
Enable
S6BP501A,
S6BP502A
LDO,
Enable
Power Sources
Buck
Controller
0.42 MHz
Load
Switch
3.3 V *1
External
Clock for
Synchronization
Enable
SSCG
OSC,
External
SYNC,
SSCG
Boost
Converter
2.1 MHz
Buck
Converter
2.1 MHz
5.0 V *1
1.2 V *1
Thermal
Protection
Warning
and
GND
Power Good
Thermal
Warning
Power
Good
*1: Output voltages are finely adjustable with external resistive dividers
Cypress Semiconductor Corporation
Document Number: 002-03396 Rev. *G
• 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Revised June 20, 2017


Cypress Semiconductor Electronic Components Datasheet

S6BP501A Datasheet

3ch DC/DC Converter

No Preview Available !

S6BP501A, S6BP502A
More Information
Cypress provides a wealth of data at www.cypress.com/pmic to help you to select the right PMIC device for your design, and to help
you to quickly and effectively integrate the device into your design. Following is an abbreviated list for S6BP501A and S6BP502A:
Overview: Automotive PMIC Portfolio, Automotive PMIC
Roadmap
Product Selector:
S6BP501A, S6BP502A:
3ch Automotive PMIC for Instrument Cluster
Application Notes: Cypress offers S6BP501A and S6BP502A
application notes. Recommended application notes for
getting started with S6BP501A and S6BP502A are:
AN99435: Designing a Power Management System
AN201006: Thermal Considerations and Parameters
Evaluation Kit Operation Manual:
S6SBP501A00VA1001, S6SBP502A00VA1001:
Power block of automotive instrument cluster
Related Products:
S6BP201A, S6BP202A, S6BP203A:
1ch Buck-Boost Automotive PMIC
S6BP401A:
6ch Automotive PMIC for ADAS
Document Number: 002-03396 Rev. *G
Page 2 of 35


Part Number S6BP501A
Description 3ch DC/DC Converter
Maker Cypress
Total Page 30 Pages
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