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參數(shù)資料
型號(hào)： TPS65921B1ZQZ
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PBGA120
封裝： GREEN, PLASTIC, BGA-120
文件頁(yè)數(shù)： 1/57頁(yè)
文件大小： 630K
代理商： TPS65921B1ZQZ
SWCS048E
– MARCH 2010 – REVISED MAY 2011
Power Management and USB Single Chip
Check for Samples: TPS65921
*BGA 120 balls ZQZ
1
FEATURES
3 Step-Down Converters:
APPLICATIONS
– Up to 1.2 A of output current for VDD1
Mobile phones and smart phones
– TPS65921B supports VDD1 up to 1.2 A
MP3 players
– TPS65921B1 supports VDD1 up to 1.4 A
Handheld devices
(necessary for 1-GHz operation)
E-Books
– SmartReflex dynamic voltage
management
OMAP
and low power DSP supply
– 3.2 MHz fixed frequency operation
DESCRIPTION
– VIN range from 2.7 to 4.5 V
The
TPS65921
device
is
a
highly
integrated
– Typical 30 A quiescent per converter
power-management circuit (IC) that supports the
4 general-purpose configurable LDOs:
power and peripheral requirements of the OMAP
– Dynamic voltage scaling
application processors. The device contains power
– 220 mA maximum current for one LDO
management,
a
universal
serial
bus
(USB)
high-speed (HS) transceiver, an analog-to-digital
– VIN range from 2.7 to 4.5 V
converter (ADC), a real-time clock (RTC), a keypad
– 2 LDOs with low noise and high PSRR
interface, and an embedded power control (EPC).
RTC with alarm wake up mechanism
The power portion of the device contains three buck
Clock management
converters,
two
controllable
by
a
dedicated
– 32-kHz crystal oscillator
SmartReflex
class-3 interface, multiple low-dropout
(LDO)
regulators,
an
EPC
to
manage
the
– Clock slicer for 26, 19.2, and 38.4 MHz
power-sequencing requirements of OMAP, and an
– HF clock output buffer
RTC module. The USB module provides a HS 2.0
USB:
transceiver suitable for direct connection to the
– USB HS 2.0 transceiver
OMAP
universal
transceiver
macrocell
interface
– USB 1.3 OTG-compliant
(UTMI) + low pin interface (ULPI) with an integrated
charge pump (CP).
– 12-bit ULPI 1.1 interface
– USB power supply (5-V CP for VBUS)
The device also provides auxiliary modules: ADC,
keypad interface, and general-purpose inputs/outputs
Control
(GPIOs) muxed with the JTAG functions. The keypad
– High-speed I2C interface
interface implements a built-in scanning algorithm to
– All resource configurable by I2C
decode hardware-based key presses and to reduce
Keypad interface up to 8
× 8
software use, with multiple additional GPIOs that can
10-bit A/D converter
be used as interrupts when they are configured as
inputs.
Hot-die, thermal shutdown protection
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.
PRODUCTION DATA information is current as of publication date.
Copyright
2010–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS65921B1ZQZR 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65921BZQZ 功能描述:PMIC 解決方案 Int Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65921BZQZR 功能描述:PMIC 解決方案 Int Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65930A2ZCH 功能描述:PMIC 解決方案 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65930A2ZCHR 功能描述:PMIC 解決方案 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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