TPS25858-Q1, TPS25859-Q1
SLVSF62B – NOVEMBER 2020 – REVISED SEPTEMBER 2021
TPS25858-Q1 and TPS25859-Q1 Low EMI Dual 3-A USB Type-C® Charging Ports
Converter With Programmable Current Limit and Thermal Management
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Compliant to USB-IF standards
– Type-C rev 1.3
1 Features
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AEC-Q100 qualified for automotive applications:
– Temperature grade 1: TA range –40°C to
+125°C
– HBM ESD classification level H2
– CDM ESD classification level C5
Optimized for ultra-low EMI requirements:
– Meets CISPR25 class 5 standard
– HotRod™ package minimizes switch node
ringing
– Spread spectrum reduces peak emissions
Synchronous buck regulator
– High efficiency at 400 kHz: 94.5% at VIN = 13.5
V, IPA_BUS = 3 A and IPB_BUS = 3 A
– 18-mΩ/10-mΩ Low RDS(ON) buck regulator
MOSFETs
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3-A capability advertisement on CC
VBUS application and discharge
VCONN source: 200 mA
– Automatic DCP modes (TPS25858-Q1):
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Shorted mode per BC1.2 and YD/T 1591
2009
1.2-V mode
2.7-V Divider 3 mode
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Load shedding versus programmable TA
Device TJ range: –40°C to +150°C
FAULT flag reports (TPS25859-Q1): USB
overcurrent, thermal shutdown
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USB ports ON/OFF control (TPS25859-Q1)
2 Applications
– Operating voltage range: 5.5 V to 26 V,
withstand 36-V input
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Automotive USB charging ports
Automotive USB media hubs
– Adjustable frequency: 200 kHz to 800 kHz
– FPWM with spread-spectrum dithering
– Selectable output voltage: 5.1 V, 5.17 V, 5.3 V,
5.4 V
Internal power path:
– 7-mΩ/7-mΩ low RDS(ON) internal USB power
MOSFETs
3 Description
The TPS2585x-Q1 is an integrated USB charging
port solution, which includes a synchronous DC/DC
converter capable of supplying up to 6.6 A and
integrated detection and control for implementing USB
Battery Charging 1.2 and Type-C ports.
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– Programmable current limit for USB ports with
high accuracy: ±10% at 3.4 A
– OUT: 5.1 V, 200-mA supply for auxiliary loads
Line drop compensation: 90 mV at 2.4-A load
Device Information(1)
PART NUMBER
TPS25858-Q1
TPS25859-Q1
PACKAGE
VQFN-HR (25)
VQFN-HR (25)
BODY SIZE (NOM)
3.50 mm × 4.50 mm
3.50 mm × 4.50 mm
(1) For detail part numbers for all available different options, see
the orderable addendum at the end of the data sheet.
100
95
90
85
80
75
70
SW
BOOT
BATT
IN
SENSE
SENSE
BIAS
OUT
SENSE
SENSE
EN/UV
PA_BUS
PA_DP
PA_DM
PA_CC1
PA_CC2
TPS25858-Q1
TS
VIN=6V
VIN=13.5V 400kHz
VIN=18V 400kHz
400kHz
PB_CC2
PB_CC1
ILIM
65
60
FREQ/SYNC
VSET
PB_DM
PB_DP
0.1
1
2
3
4
5
6
PB_BUS
Load Current(A)
Efficiency vs Output Current
Simplified Schematic: TPS25858-Q1
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.