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TPS61300YFFR Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. TPS61300YFFR
Descripción  TPS6130xx 1.5-A and 4.1-A Multiple LED Camera Flash Driver With I2C Compatible Interface
Descarga  70 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61300YFFR Datasheet(HTML) 1 Page - Texas Instruments

 
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VOUT
AVIN
SW
C
I
SW
LED1
C
O
10 mF
PGND
PGND
AGND
L
2.2 H
m
SDA
SCL
TPS61300
LED2
LED3
D2
2.5 V..5.5 V
ENDCL
FLASH_SYNC
Tx- MASK
GPIO/PG
ENVM
INDLED
Privacy
Indicator
CAMERA ENGINE
I2C I/F
HC_SEL
BAL
FLASH READY
PHONE POWER ON
1.8 V
D1
Copyright © 2016, Texas Instruments Incorporated
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS61300, TPS61301
TPS61305, TPS61305A, TPS61306
SLVS957E – JUNE 2009 – REVISED APRIL 2016
TPS6130xx 1.5-A and 4.1-A Multiple LED Camera Flash Driver With I2C Compatible
Interface
1
1 Features
1
Four Operational Modes
DC Light and Flashlight
Voltage Regulated Converter: 3.8 V to 5.7 V
Standby: 2
μA (Typical)
Storage Capacitor Friendly Solution
Automatic VF and ESR Calibration
Power-Save Mode for Improved Efficiency at Low
Output Power, Up to 95% Efficiency
Output Voltage Remains Regulated When Input
Voltage Exceeds Nominal Output Voltage
I2C Compatible Interface up to 3.4 Mbits/s
Zero Latency Tx-Masking Input
Hardware Voltage Mode Selection Input
(TPS61300, TPS61301)
DC Light Mode Selection Input
(TPS61300, TPS61306)
Hardware Reset Input (TPS61301, TPS61305)
LED Temperature Monitoring (TPS61305)
Privacy Indicator LED Output
Integrated LED Safety Timer
Total Solution Size of Less Than 25 mm2 (< 1 mm
height)
Available in a 20-Pin NanoFree™ (DSBGA)
2 Applications
Single, Dual, or Triple White LED Flashlight
Supply for Cell Phones and Smart-Phones
LED Based Xenon Killer Flashlight
Audio Amplifier Power Supply
3 Description
The TPS6130xx device is based on a high-frequency
synchronous boost topology with constant current
sinks to drive up to three white LEDs in parallel
(400
‑mA, 800-mA, and 400-mA maximum flash
current). The extended high-current mode (HC_SEL)
allows up to 1025-mA, 2050-mA, and 1025-mA flash
current out of the storage capacitor.
The high-capacity storage capacitor on the output of
the boost regulator provides the high-peak flash LED
current, thereby reducing the peak current demand
from the battery to a minimum.
The 2-MHz switching frequency allows the use of
small and low profile 2.2-
μH inductors. To optimize
overall efficiency, the device operates with a 400-mV
LED feedback voltage.
The TPS6130xx device not only operates as a
regulated current source, but also as a standard
voltage boost regulator. The device keeps the output
voltage regulated even when the input voltage
exceeds the nominal output voltage. The device
enters power-save mode operation at light load
currents to maintain high efficiency over the entire
load current range.
To simplify flashlight synchronization with the camera
module,
the
device
offers
a
trigger
pin
(FLASH_SYNC) for zero latency LED turnon time.
Table 1. Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS6130xx
DSBGA (20)
1.90 mm × 2.20 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Figure 1. Simplified Schematic


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