TPS92602BQPWPRQ1TPS9260x-Q1 Hoʻokahi- a me ʻelua-kanal ʻauwaʻa kukui LED Keaukaha
Nā hiʻohiʻona
1.Qualified no nā noi kaʻa
ʻO 2.AEC-Q100 kūpono me nā hualoaʻa aʻe:
– Papahana wela o ka Mea Hana 1: –40°C a i 125°C
Ka Mahana Hana Hana
– Papa Hana HBM ESD Papa 2
– Papahana CDM ESD Classification Level C4B
3. Voltage Input: 4 V–40 V (45 V Abs. Max.)
4. Puhi Puke: 4 V–75 V (80 V Abs. Max.)
5. Paʻa-Frequency o kēia manawa-Mode Controller Me
Uku Uku Pilipii
6. ʻElua Loop Hoʻoponopono, Hoʻopuka Mau-I kēia manawa
a me ka puka makani mau o kela a me keia Kanal
7.High-Side Manaʻo o kēia manawa:
– 150-mV a i ʻole 300-mV Sense Voltage (EEPROM
Koho)
– ± 6-mV Offset (Loaʻa ma kahi o 4% a i ʻole 2%
ʻO ka pololei o kēia manawa LED)
8. Puke Voltage Sense, Voltage Kuloko
Nānā: 2.2 V ± 5%
9.Integrated Low-Side NMOS-FET Keaukaha: Peak
ʻO ke ʻano o kēia manawa ʻo Gate-Drive.0.7 A
10.Frequency Synchronization
11. ʻO PWM Dimming a me Analog Dimming
12. ʻIkepili:
– Kiʻekiʻe-ʻaoʻao o kēia manawa (LED kēia) Loaʻa e like me
Hoʻopuka Analog
- Wehe-LED a me ka pōkole-i-GND ʻike
– Hoʻopale ʻia i ka hoʻopōkole
13. Loko ma lalo- a Overvoltage laka
Nā noi
Keaukaha kukui LED
Nā noi alakaʻi ʻālohilohi kiʻekiʻe
wehewehe
ʻO ka ʻohana TPS9260x-Q1 o nā hāmeʻa he hoʻokahi a me nā ʻaoʻao lua-ʻaoʻao kiʻekiʻe-ʻaoʻao LED.
kaʻa hoʻokele.Me ka pale piha a me ka diagnostics, ua hoʻolaʻa ʻia kēia ʻohana o nā hāmeʻa a kūpono i nā kukui mua o ka automotive.ʻO ke kumu o kēlā me kēia mea hoʻokele kūʻokoʻa he mea hoʻokele peak-current-mode boost.Loaʻa i kēlā me kēia mea hoʻoponopono nā puka lou kūʻokoʻa kūʻokoʻa, kahi loop-feedback loop me kahi kiʻekiʻe kiʻekiʻe o kēia manawa-sensing shunt a me kahi volta-feedback loop me kahi pūnaewele resistor-divider waho.Hāʻawi ka mea hoʻoponopono i ka volta hoʻokuʻu mau a i ʻole ka manawa hoʻopuka aconstant.Hoʻoholo ka haawe pili i ka hoʻoponopono ʻana o ka hāmeʻa i ka manawa hoʻopuka mau (inā hiki ke kaʻapuni i ka hoʻonohonoho o kēia manawa ma mua o ka hoʻonohonoho ʻana o ka volta) a i ʻole ka uila puka mau (inā hiki ke kaʻapuni i ka hoʻonohonoho uila e hiki mua, no ka laʻana, ma kahi ākea. Kākoʻo kēlā me kēia mea hoʻoponopono i nā topologies maʻamau e like me ka hoʻonui, boost-to-battery, SEPIC, a i ʻole lele. kaapuni i ka GND no ka hoomalu ana i ke kaapuni.Ka 'Ikepili Mea Hana(1)PART NUMBER SENSE-VOLTAGE
NA KANELA HANA
TPS92601-Q1,
TPS92601B-Q1
15 mV–150 mV 1
TPS92601A-Q1(2) 30 mV–300 mV 1
TPS92602-Q1,
TPS92602B-Q1
15 mV–150 mV 2
TPS92602A-Q1(2) 30 mV–300 mV 2
