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TPS65070RSL 数据手册 - TI（德州仪器）
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TI（德州仪器）
描述:
单芯片电源解决方案电池供电系统 Single Chip Power Solution for Battery Powered Systems
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引脚图在P13P14P15Hot
典型应用电路图在P71
原理图在P16P24
封装尺寸在P85P87P88
型号编码规则在P2
封装信息在P85P86P87P88
技术参数、封装参数在P2P10
应用领域在P1P92
电气规格在P4
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TPS65070RSL数据手册
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TPS65070, TPS65072
TPS65073, TPS650731, TPS650732
www.ti.com
SLVS950C –JULY 2009– REVISED AUGUST 2011
Single Chip Power Solution for Battery Powered Systems
Check for Samples: TPS65070, TPS65072, TPS65073, TPS650731, TPS650732
1
FEATURES
• Touch Screen Interface
• Undervoltage Lockout and Battery Fault
2
• Charger/Power Path Management:
Comparator
– 2A Output Current on the Power Path
– Linear Charger; 1.5A Maximum Charge
APPLICATIONS
Current
• Portable Navigation Systems
– 100mA/500mA/ 800mA/1300mA Current
• PDAs, Pocket PCs
Limit From USB Input
• OMAP™ and Low Power DSP Supply
– Thermal Regulation, Safety Timers
– Temperature Sense Input
DESCRIPTION
• 3 Step-Down Converters:
The TPS6507x are single chip Power Management
– 2.25MHz Fixed Frequency Operation
ICs for portable applications consisting of a battery
charger with power path management for a single
– Up to 1.5A of Output Current
Li-Ion or Li-Polymer cell. The charger can either be
– Adjustable or Fixed Output Voltage
supplied by a USB port on pin USB or by a dc voltage
– V
IN
Range From 2.8V to 6.3V
from a wall adapter connected to pin AC. Three
– Power Save Mode at Light Load Current
highly efficient 2.25MHz step-down converters are
targeted at providing the core voltage, memory and
– Output Voltage Accuracy in PWM Mode
I/O voltage in a processor based system. The
±1.5%
step-down converters enter a low power mode at light
– Typical 19 μA Quiescent Current per
load for maximum efficiency across the widest
Converter
possible range of load currents. For low noise
applications the devices can be forced into fixed
– 100% Duty Cycle for Lowest Dropout
frequency PWM using the I
2
C interface. The
• LDOs:
step-down converters allow the use of small inductors
– Fixed Output Voltage
and capacitors to achieve a small solution size. The
TPS6507x also integrate two general purpose LDOs
– Dynamic Voltage Scaling on LDO2
for an output current of 200mA. These LDOs can be
– 20μA Quiescent Current
used to power an SD-card interface and an
– 200mA Maximum Output Current
always-on rail, but can be used for other purposes as
– V
IN
Range From 1.8V to 6.3V
well. Each LDO operates with an input voltage range
between 1.8V and 6.3V allowing them to be supplied
• wLED Boost Converter:
from one of the step-down converters or directly from
– Internal Dimming Using I2C
the main battery. An inductive boost converter with
– Up to 2 × 10 LEDs
two programmable current sinks power two strings of
white LEDs.
– Up to 25mA per String With Internal Current
Sink
The TPS6507x come in a 48-pin leadless package
(6mm × 6mm QFN) with a 0.4mm pitch.
• I
2
C Interface
• 10 Bit A/D Converter
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2OMAP, PowerPAD are trademarks of Texas Instruments.
UNLESS OTHERWISE NOTED this document contains
Copyright © 2009–2011, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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